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Buttoning and Gripping Device for Artificial Arms

Description: Patent for a gripping device that attaches to an artificial arm. The two main elements consist of a support structure with a jaw, and another element with a movable jaw. A buttoning device is mounted to the structure and functions independently of the two jaws.
Date: unknown
Creator: Corley, Quentin D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rules of Practice of the United States Patent Office

Description: Booklet outlining the rules related to the grant of U.S. patents for inventions, including explanations of the relevant regulations and forms. This edition includes the text published in 1892, with preceding text for updates and revisions through October 1895. There are a number of handwritten notes and markings in this copy. Index starts on page 95.
Date: October 15, 1895
Creator: United States. Patent Office.
Item Type: Refine your search to only Book
Partner: Private Collection of J. K. Johnson

Insect Destroyer

Description: Patent for the Insect Destroyer invented by Emmanuel C. Grover. This invention relates to the type of insect destroyers that are adapted to remove insects from growing plants and kill them. This invention is also modified with a moving device to be moved over a growing row of plants and destroy insects therein without injuring the plants.
Date: February 21, 1917
Creator: Grover, E.C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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