Patents by Inventor Rick Klopfenstein

Rick Klopfenstein 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).

  • Portable, collapsible ice fishing shelter
    Patent number: 4926893
    Abstract: A portable, collapsible ice fishing shelter includes a frame assembly and a unitary covering assembly. The frame assembly includes a base, vertical and horizontal frame elements and the covering assembly is releasably attached to the frame by snap fasteners. Specially shaped runners are mounted on the base and permit the shelter to be moved across difficult terrain.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: May 22, 1990
    Inventors: Rick Klopfenstein, Tom Kreitzer