Patents by Inventor Michael D. Gentzhorn

Michael D. Gentzhorn 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).

  • Vehicle cap and boat combination
    Patent number: 4923242
    Abstract: A vehicle cap having unitary male mating structure for mounting and sealing with a female mating structure unitary to a boat. The male mounting structure includes two shoulders or recesses where the second shoulder seals and supports the female mating structure while the first shoulder recesses, but does not engage the wall of the boat to form an integral, aerodynamic structure. Rollers on the cap and struts joining the boat and cap guide the movement of the boat during both loading and unloading.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: May 8, 1990
    Inventor: Michael D. Gentzhorn
  • Cap for the bed of a pickup truck
    Patent number: D317889
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: July 2, 1991
    Inventor: Michael D. Gentzhorn