Patents by Inventor David R. Coltharp

David R. Coltharp 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).

  • Warhead initiation system
    Patent number: 4334474
    Abstract: A warhead initiation system in which a helical magnetic fluxtrapper explo a copper mesh initiator at a single point, several points, along a line and/or over a surface.
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: June 15, 1982
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David R. Coltharp