Patents by Inventor Thomas Marion Caldwell

Thomas Marion Caldwell 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).

  • Patent number: 5911556
    Abstract: The combination, with an ATV, of a lift comprised of two arms and a back bracket being pivotally attached to the ATV and a lift leg with a positive stop spade point at the forward end being mounted inside a center bracket that is pivotally attached to the arms, may be lowered to the ground to receive a load; and, with forward movement of the ATV, the load will be lifted and will slide down against the ATV back rack. After the load is moved upon the ATV back rack, the lift is then set in the retracted position and locked up to the ATV back rack by means of angle brackets attached to the ATV back rack and pins. The locked up position readies the lilt to receive and transport cargo.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: June 15, 1999
    Inventor: Thomas Marion Caldwell