U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

"There is no reason anyone would want a computer in their home."

Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

Class 33/659 - Watch

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the machine elements are parts of
No. of patents: 0