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

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

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 213/82 - Hook and link

Subclass of Class 213 - Railway draft appliances
Definition: Wherein devices of the class indicated a link on one coupler
No. of patents: 0