Patents by Inventor Philip Wingert

Philip Wingert 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).

  • Silver cadmium oxide electrical contacts
    Patent number: 4427625
    Abstract: Addition of copper to silver-cadmium oxide by adding copper to submicron silver powder improves the morphology of the cadmium oxide in the sintered material and enables sintered densities greater than 96% of theoretical to be achieved.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: January 24, 1984
    Assignee: GTE Products Corporation
    Inventors: Philip Wingert, Larry J. Gaudino, Han J. Kim