Patents by Inventor Ralph L. Graves

Ralph L. Graves 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: 5266039
    Abstract: An electrical outlet receptacle includes a thermoplastic cover and a thermoset base between which are captively mounted line and neutral contact/terminal assemblies and a grounding strap assembly in enhanced electrically isolated relation. The grounding strap assembly is equipped with quadruple wipe grounding contacts positioned to make wiping contact with a ground pin of an inserted plug before the plug blades can contact jaws of the contact/terminal assemblies. Formations molded in the cover underside provide guidance for and promote alignment of the insertions of the plug blades and pin. Tapered pockets molded in the cover underside are positioned to controllably engage the ends of BWPI terminated line and neutral wires.
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: November 30, 1993
    Assignee: General Electric Company
    Inventors: Scott A. Boyer, Ralph L. Graves