Patents by Inventor Stephen H. Halvorsen

Stephen H. Halvorsen 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: 4524538
    Abstract: A trolling board for fishing designed to tow a bait behind and to the side of a moving boat, including a generally flat, elongated, float member having a front end generally tapered from one side to another and rearwardly, and having a weight on one side edge, which is thereby caused to be heavier than the other, a fishing line engaging device preferrably of a type which will squeeze the line between a stationary member and an eccentric rotatable member having a spring which is pivoted over center when the fishing line is engaged, and a trip lever engaging the rotatable device, said lever being adapted to rotate said device and release said line from the trolling device when a fish strikes the baited end of the line.
    Type: Grant
    Filed: April 5, 1983
    Date of Patent: June 25, 1985
    Inventor: Stephen H. Halvorsen