Patents by Inventor Richard N. Essig

Richard N. Essig 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).

  • Insulated conductor standoff
    Patent number: D259113
    Type: Grant
    Filed: May 9, 1979
    Date of Patent: May 5, 1981
    Assignee: Plastigage Corporation
    Inventor: Richard N. Essig
  • Strain insulator with watersheds
    Patent number: D261756
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: November 10, 1981
    Assignee: Plastigage Corporation
    Inventor: Richard N. Essig
  • Conductor insulator with watersheds
    Patent number: D274616
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: July 10, 1984
    Assignee: Plastigage Corporation
    Inventor: Richard N. Essig