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

...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?

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 977/909 - Obstruction removal

Subclass of Class 977 - Nanotechnology
Definition: Subject matter wherein the nanostructure is used for removing
No. of patents: 0