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{{r|Patent}}

===Patent dispute=== ...udge in the case include the use of [[ailerion]]s within the claims of the patent.

== Patent system == ...ses involving perpetual motion, a model is not ordinarily required by the (Patent) Office to demonstrate the operability of a device."</ref>

{{r|Patent}}

...le or similar article. [http://www.google.com/patents?id=FIZzAAAAEBAJ U.S. Patent D166995]</ref> It was Gamber's company, however, that popularized the hone

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* Evenson, A. Edward (2000), ''The Telephone Patent Conspiracy of 1876: The Elisha Gray - Alexander Bell Controversy'', McFarla

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* [[Patent and Trademark Office]]

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...raged many others to copy him, so he had great difficulty in enforcing the patent he was granted in 1775. ...atents; in 1781 Arkwright tried and failed to uphold his monopolistic 1775 patent. The case dragged on in court for years but was finally settled against hi

| id = United States Patent 4980000

{{r|Patent and Trademark Office}}

| id = U.S. Patent Application 20060253254}}</ref>

...ual property]] that is not protected by [[copyright]], [[trade mark]] or [[patent]].

...eekeeping and bee culture patents. No special reader needed as with the US Patent Office

Image:Pullman patent drawings.jpg|{{Pullman patent drawings.jpg/credit}}<br />In 1869 Pullman-Standard filed patents covering

* [[European Patent Office]]

...ed, 3) for drugs which have never held patents, or 4) in countries where a patent(s) is/are not in force. === Patent lifetime ===

...ereophonic sound|stereo]], [[television]] and [[radar]]. He received 128 [[patent]]s. ...invented the moving-coil disc cutting head, which not only got around the patent, it offered greatly improved sound quality. He led a small team which devel