Patents by Inventor Harry D. Martin, Jr.

Harry D. Martin, Jr. 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).

  • Patent number: 4307966
    Abstract: Printer wire assemblies for dot matrix printers are characterized by a copper layer on the tungsten wire extending beyond the base portion inside the pin socket, to protect the wire from the embrittling effects of brazing, by braze-forming layers on the copper layer and by a blind-hole pin socket, to enable ease of assembly and braze-bonds of uniformly adequate mechanical strength.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: December 29, 1981
    Assignee: GTE Products Corporation
    Inventors: James R. Spencer, Harry D. Martin, Jr.