Patents by Inventor Richard C. Vanderhoof

Richard C. Vanderhoof 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 for 4-wheel drive
    Patent number: 4252036
    Abstract: A wrench for engaging the front wheel of a 4-wheel drive vehicle by releasing the drive to the front wheel. The wrench has a cylindrical body with flat end part of which is narrowed for hand receiving part, a slot rectangular in cross section is formed in one end to receive a rib of a 4-wheel drive.
    Type: Grant
    Filed: February 16, 1979
    Date of Patent: February 24, 1981
    Inventor: Richard C. Vanderhoof