Patents by Inventor Jerry Shrum

Jerry Shrum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hand-held firing device
    Patent number: 8234978
    Abstract: An apparatus is disclosed to initiate detonation. The apparatus includes a first hollow cylinder, a second hollow cylinder laterally spaced from the first hollow cylinder, each of the first and second hollow cylinders having an inner surface and an outer surface, and extending longitudinally between a first end and a second end. A spring is disposed in each of the first and second cylinders, and a firing pin is disposed in each of the first and second cylinders, wherein the spring is positioned between the first end of each of the first and second cylinders and the firing pin. A sear lever is in communication with each of the firing pins, and bushings are disposed between the sear lever and each of the first and second hollow cylinders, positioned so that the sear lever is insulated from contact of the outer surface of the hollow cylinders.
    Type: Grant
    Filed: December 31, 2010
    Date of Patent: August 7, 2012
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Thomas L. Bond, Jerry Shrum, Barbara Robinson