Patents by Inventor Dennis R. Gerulf

Dennis R. Gerulf 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).

  • Combination tailgate and ramp assembly
    Patent number: 5211437
    Abstract: A combination tailgate and ramp assembly 10 formed of a pair of ramps 14 and 20, which when fastened together with fastener brackets 32 and 72 form a conventional tailgate hinged and rotatable about a transverse sliderail 30. Swing pin hinge 68 supports the lower left corner of ramp 14 and swing pin hinge 70 supports the lower right hand corner of right ramp 22 and provides three dimensional rotational ability. When unfastened, ramps 14 and 22 can be rotated down, out and over to form a loading ramp.
    Type: Grant
    Filed: July 8, 1992
    Date of Patent: May 18, 1993
    Inventor: Dennis R. Gerulf