Many patents worldwide are testaments to failed attempts at making these pens commercially viable and widely available.

Many independent filmmakers, who controlled from one-quarter to one-third of the domestic marketplace, responded to the creation of the MPPC by moving their operations to Hollywood, whose distance from Edison's home base of New Jersey made it more difficult for the MPPC to enforce its patents.

Many patents were filed in the 1950s and 1960s concerning variations on these three-ring structures with applications to psychiatric conditions.

Many contemporary inventors attempted to develop a design that would process short staple cotton, and Hodgen Holmes, Robert Watkins, William Longstreet, and John Murray had all been issued patents for improvements to the cotton gin by 1796.

Many manufacturers augment their range with products based on recent re-designs of classic modules ; often both the original and subsequent reworked designs are available free on the internet, the original patents having lapsed.

Many people in the free software / open-source community feel that software patents are harmful to software, and are particularly harmful to open-source software.

The film patents wars of the early 20th century led to the spread of film companies across the U. S. Many worked with equipment for which they did not own the rights, and thus filming in New York could be dangerous ; it was close to Edison's Company headquarters, and to agents the company set out to seize cameras.

( Many patent owners file patents to cover seemingly trivial concepts without any intention of enforcing the patents, but rather to use as part of a larger patent portfolio in their own defense against potential future patent lawsuits.

Many of these innovations were used by other manufacturers when the applicable patents expired.

Many original colonies ’ land patents came from the corresponding country of control ( e. g., the United Kingdom ).

Many objects can be covered by both copyrights and design patents.

Many attempts have been made to reproduce human stereo vision on rapidly changing computer displays, and toward this end numerous patents relating to 3D television and cinema have been filed in the USPTO.

Many criticize the influence of Intellectual Property Rights and other sorts of national regulations on the internet and IT business ( software patents, DRM, trusted computing ).

Many patents and proposals exist to reduce or eliminate fixed pattern noise in digital imagers.

Many definitions of art have been proposed by philosophers and others who have characterized art in terms of mimesis, expression, communication of emotion, or other values.

Many early investigators proposed a Caucasian ancestry, although recent DNA tests have not shown any genetic similarity with modern Europeans.

Many different causes and correlates of crime have been proposed with varying degree of empirical support.

Many experiments to detect proposed dark matter particles through non-gravitational means are underway.

Many more errors came from the tendency of actors to interpolate words and sentences, producing so many corruptions and variations that a law was proposed by Lycurgus of Athens in 330 BC "... that the plays of Aeschylus, Sophocles and Euripides should be written down and preserved in a public office ; and that the town clerk should read the text over with the actors ; and that all performances which did not comply with this regulation should be illegal.

Many alternative, often contradictory, theories have been proposed regarding the pyramid's construction techniques.

Many hypotheses on the evolutionary origins of the universal genetic code have been proposed.

Many incorrect proofs have been proposed, including those by Cayley, Kempe, and others.

Many other buffers have been proposed, e. g. lithium borate, which is almost never used, based on Pubmed citations ( LB ), iso electric histidine, pK matched goods buffers, etc.

Many extensions to the base protocol have been proposed and are in common use.

Many solutions were proposed for how to determine longitude at the end of an exploratory sea voyage and hence the longitude of the place that was visited ( in case one would want to revisit it, place it on a map, or more urgently, avoid known marine hazards ).

Many theoretical search techniques for detecting Kaluza-Klein Resonances have been proposed using the mass couplings of such resonances with the top quark, however until the LHC reaches full operational power observation of such resonances are unlikely.

Many writing systems combine features of more than one of these types, and a number of detailed classifications have been proposed.

Many people oppose OBE reforms because they dislike the proposed outcomes.

Many theories have been proposed about proper names, none of them entirely satisfactory.

Many theories have been proposed by parapsychologists to explain how psi takes place.

Many hypotheses have been proposed to explain the putative causes of stasis.

Many possible candidates have been proposed, including specific copy number variations, NOTCH4, and histone protein loci.

Many of the technologies proposed by the W3C already existed before they were positioned under the W3C umbrella.

Many candidate theories of everything have been proposed by theoretical physicists during the twentieth century, but none have been confirmed experimentally.

Many models of the cosmos ( cosmologies ) and its origin ( cosmogonies ) have been proposed, based on the then-available data and conceptions of the universe.

Many were pietistic Protestant reformers who called for public schools to teach moral values and proposed prohibition to end the liquor problem.

First owned and published by Alexander Macmillan, Nature was similar to its predecessors in its attempt to “ provide cultivated readers with an accessible forum for reading about advances in scientific knowledge .” Janet Browne has proposed that “ far more than any other science journal of the period, Nature was conceived, born, and raised to serve polemic purpose .” Many of the early editions of Nature consisted of articles written by members of a group that called itself the X Club, a group of scientists known for having liberal, progressive, and somewhat controversial scientific beliefs relative to the time period.

Many candidate theories of everything have been proposed by theoretical physicists during the twentieth century, but none have been confirmed experimentally.

Many theories as to how world peace could be achieved have been proposed.

Many states have laws regulating the use of boat trailers and some have restrictions regarding the age of motor boat operators.

Many of them sincerely believe that the use of liquor in any form or in any degree is intrinsically evil and sinful.

Many people use wicker cradles for old red wine, lifting the bottle carefully from the bin into the cradle and eventually to the table, without disturbing the sediment.

Many languages use modified forms of the Latin alphabet, with additional letters formed using diacritical marks.

Many amateurs use online tools to plan their nightly observing sessions using tools such as the Clear Sky Chart.

Many contemporary Pueblo peoples object to the use of the term Anasazi, although there is still controversy among them on a native alternative.

Many British publications have gradually done away with the use of periods in abbreviations.

Many parents use a collection of simplified or ad hoc signs called " baby sign.

Many countries, including some US states, also permit the use of less severe corporal punishment for children in school.

Many such are localised, and do not form part of general Australian use, while others, such as kangaroo, boomerang, budgerigar, wallaby and so on have become international.

Many of Canberra's suburbs are named after former Prime Ministers, famous Australians, early settlers, or use Aboriginal words for their title.

Many ironclads were built to make use of the ram or the torpedo, which a number of naval designers considered the crucial weapons of naval combat.

Many were in common use, but had become unacceptable in normal discourse before the end of the twentieth century.

Many drugs produce an antidepressant effect, but restrictions on their use have caused controversy and off-label prescription is a risk, despite claims of superior efficacy.

Many dual system television receivers, equipped to receive both analog transmissions and digital transmissions have analog tuner ( television ) receiving capability and must use a television antenna.

Many areas average of rain per week, and these can use a cistern as small as.

Many autonomous homes can reduce water use below per person per day, so that in a drought a month of water can be delivered inexpensively via truck.

Many coal-burning power stations use flue-gas desulfurization ( FGD ) to remove sulfur-containing gases from their stack gases.

Many types of applications use variables representable in eight or fewer bits, and processor designers optimize for this common usage.

Many players, however, prefer to use replacement grips as the final layer.

Many players use a backhand hitting action for returning smashes on both the forehand and backhand sides, because backhands are more effective than forehands at covering smashes directed to the body.

Many of those that have been properly examined show that they continued in use for many centuries, although the interiors were often modified and changed, and they underwent many phases of habitation and abandonment.

Many Internet sites use information and images from the CIA World Factbook.

Many later CPU designs use similar mixed bit width, especially when the processor is meant for general-purpose usage where a reasonable balance of integer and floating point capability is required.

Many printer drivers do not use the text mode at all, even if the printer is capable of it.