Patents by Inventor William G. Burge

William G. Burge 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).

  • Theft-prevention screw fastening
    Patent number: 4170918
    Abstract: A nut or bolt which requires a special tool for its removal. The engaging elements of the nut or bolt and the manipulating tool consisting of matching spline ways and pins which function as splines, the matching elements being arranged in random pattern.
    Type: Grant
    Filed: October 28, 1977
    Date of Patent: October 16, 1979
    Inventor: William G. Burge
  • Theft-prevention screw fastenings
    Patent number: 4027572
    Abstract: A nut or bolt which requires a special tool for its removal. The engaging element of the nut or bolt and the manipulating tool consisting of matching dowel holes, and pins which also function as keys, the pins and dowel holes being arranged in a random pattern.
    Type: Grant
    Filed: May 13, 1974
    Date of Patent: June 7, 1977
    Inventor: William G. Burge