Patents by Inventor David Persau

David Persau 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).

  • Locking bar for snowmobile on trailer
    Patent number: 5203655
    Abstract: A locking device for a powered conveyance having an apertured ski, such as a snowmobile positioned on a trailer, and having a locking bar passing through the aperture of the ski, and provided with an elongated screw-threaded bolt with a crank handle on one end and a nut on the opposite end of the bolt and under the trailer, whereby when the crank handle is rotated the nut is tightened against the bottom of the trailer, and a lock is provided for the crank handle.
    Type: Grant
    Filed: August 20, 1992
    Date of Patent: April 20, 1993
    Inventor: David Persau