Patents by Inventor John L. Critcher

John L. Critcher 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).

  • Wrench socket
    Patent number: D246415
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: November 22, 1977
    Inventor: John L. Critcher