Patents by Inventor John R. Warner

John R. Warner 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).

  • Screw fastener with multi-point wrenching head and locking capabilities
    Patent number: 4267870
    Abstract: A screw fastener with a multi-point wrenching head and locking capabilities characterized by an annular bearing collar having at least one flat surface on its periphery adapted for engagement with the locking tab of a locking strip.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 19, 1981
    Assignee: The Ferry Cap & Set Screw Co.
    Inventor: John R. Warner