Patents by Inventor James F. X. Crawford

James F. X. Crawford 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).

  • Horizontal auxiliary sleeper door
    Patent number: 4192543
    Abstract: A van camper including door panels in the side and rear walls thereof that are outwardly, downwardly pivotable about a lower hinge so to form bed platforms for sleeping thereupon, a canvas canopy detachable snap fastened around each doorway extending over the horizontal bed platform, hydraulic shock absorbers for gently lowering the door and a winch with cable to raise the door into vertical closed position.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: March 11, 1980
    Inventor: James F. X. Crawford