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

Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.

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 400/547.1 - For arresting platen at limit of both retrograde and advance movement

Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the incremental rotation of the platen* in
No. of patents: 0