|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...
|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....
|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...