X-Nico

Chuck Hull

He made on more than 60 U.S. patents as well as other patents around the world in the fields of ion optics and rapid prototyping.

Custer Channel Wing

Willard Custer filed a United States patent in 1929 for a wing design incorporating a semi-circular channel or "half barrel" shape in which an engine was to be fitted in pusher mode.

Disclaimer

Under United States patent law a prosecution disclaimer is a statement made by a patent applicant during examination of a patent application which can limit the scope of protection provided by the resulting patent.

Entec Engine Corporation

This concept covered by U.S. Patent # 6,279,550 and many others, include the concept of admitting cold, or chilled, compressed air into the cylinder and combustion chamber of a compression or spark ignited engine during its compression stroke.

Erotic electrostimulation

U.S. patent 3,941,136: "Method for artificially inducing urination, defecation, or sexual excitation".

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U.S. patent 4,585,005: "Method and pacemaker for stimulating penile erection".

Hotchkiss v. Greenwood

It was the first US Supreme Court case to introduce the concept of non-obviousness as patentability requirement in United States patent law.

Old Patent Office Building

United States patent law required inventors to submit scale models of their inventions, which were retained by the Patent Office and required housing.

Toe socks

She was unable to maintain the exclusive rights for their manufacture, however, because copyright law of the United States does not afford this protection – patent law does.

see also