Patents by Inventor N. Larry Hansen

N. Larry Hansen 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: 4901980
    Abstract: Portable car hoist convertible to a trailer which has wheels for towing a vehicle. The hoist includes a trailer with a suspension, a wheel assembly, a base frame assembly, a liftable platform assembly, and a lift apparatus. A foldable ramp, a platform, and extension channels support a vehicle to be lifted, and a chock assembly retains the vehicle on the platform. A safety latch prevents accidental lowering of the platform assembly.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: February 20, 1990
    Assignee: Johnson Industries, Inc.
    Inventor: N. Larry Hansen