Patents by Inventor Rudolf Ferch

Rudolf Ferch 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: 4140330
    Abstract: A ski which has a tread and a patterned top covering consisting of a plurality of sheets of plastics material, which are colored throughout in different colors and arranged in succession in the longitudinal direction of the ski and adjoin at mating adjacent edges. Those portions of said sheets of plastics material which define said adjoining edges are held together in pairs by a grid on the underside of the sheets.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: February 20, 1979
    Assignee: Fischer Gesellschaft m.b.H.
    Inventor: Rudolf Ferch
  • Patent number: 4047735
    Abstract: A ski having a top covering which consists of successive complementary plastic material sheeting sections, which are colored throughout in different colors.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: September 13, 1977
    Assignee: Fischer Gesellschaft m.b.H.
    Inventor: Rudolf Ferch
  • Ski
    Patent number: D246543
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: November 29, 1977
    Assignee: Kastle Gesellschaft m.b.H.
    Inventor: Rudolf Ferch
  • Ski
    Patent number: D249575
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: September 19, 1978
    Assignee: Kastle Gesellschaft m.b.H.
    Inventor: Rudolf Ferch
  • Ski
    Patent number: D253361
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: November 6, 1979
    Assignee: Kastle Gesellschaft m.b.H.
    Inventor: Rudolf Ferch
  • Ski
    Patent number: D282194
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: January 14, 1986
    Assignee: Kastle Gesellschaft m.b.H.
    Inventor: Rudolf Ferch