Patents by Inventor Ronald Denis Fox

Ronald Denis Fox 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).

  • Vehicle chock
    Patent number: 3973651
    Abstract: A chock for a vehicle wheel comprising a first plate, having a series of swaged down portions to rigidify the plate and to grip a roadway, a second, flexible plate welded at one end to said first plate, and a pin engageable in a hole at the other end of each plate, to deform the flexible plate to a curved shape, which conforms to the shape of a vehicle wheel. The pin can be removed and the chock flattened to a folded condition, with the pin then being placed in a slot in the flexible plate.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: August 10, 1976
    Assignee: Humphrey Thompson Enterprises Limited
    Inventors: Kenneth John Garrett, Ronald Denis Fox