Patents by Inventor Ralph W. Seals

Ralph W. Seals 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).

  • Trolling plane
    Patent number: 4411090
    Abstract: An improvement is disclosed for a trolling plane of the type comprising a wire frame for connection of a fishing line to a trolling line and having a hydrofoil mounted on a support section and a connecting ring for the trolling line slidably connected to a ramp section of the frame. The improvement comprises a wire frame formed as a closed loop with a hydrofoil of inverted V-shape cross-section mounted on the support section for pivotal motion about its longitudinal axis relative to the frame.
    Type: Grant
    Filed: February 19, 1982
    Date of Patent: October 25, 1983
    Inventor: Ralph W. Seals