Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
PatentStorm News
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.
| Number | Title | Issue Date |
| 4930914 | Apparatus for making tactile impressions on paper Apparatus for making tactile impressions, such as a Braille matrix, on paper. The apparatus includes a paper receiver, pins, a driver, and a rotating print wheel. The receiver accepts paper, and the driver selectively extends pins toward the paper. The pr... | 06/05/1990 |
| 4821676 | Cart assembly for a partially-immobilized animal A cart assembly for a partially-immobilized animal. It includes a plastic cradle, having wheels, adapted to support and partially encompass the hind portion of the animal. A harness, secured over the head of the animal, is fastened to the plastic cradle.... | 04/18/1989 |
| 4413804 | Piston valve and fuel tank assembly A piston valve comprising a housing and a piston slidably engaged therein. The valve is especially adapted to be molded of plastic for use in fuel lines of lawn mowers and other small gasoline-powered engines. Also, a combination fuel tank and piston valv... | 11/08/1983 |
