Patents by Inventor William A. Dolphin

William A. Dolphin 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: 5226657
    Abstract: This invention is a vehicle towing means to be readily mounted between a towing vehicle and a towed vehicle requiring a minimum amount of effort, strength, and skill for doing so. The vehicle towing means includes 1) a main support assembly releasably connectable to the towing vehicle; 2) a connector linkage assembly pivotally connected to the main support assembly and having a linkage tube member releasably connectable to the towed vehicle; 3) a main actuator assembly mounted between the connector linkage assembly and the main support frame operable to raise and lower a portion of the towed vehicle; and 4) a towed vehicle connector member secured to the towed vehicle operable to releasably receive the connector linkage assembly mounted thereon.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: July 13, 1993
    Inventor: William A. Dolphin