Patents by Inventor Merrill H. Armstrong

Merrill H. Armstrong 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: 4875428
    Abstract: A motorized outrigger drive for an outrigger on a fishing boat, the outrigger being of the kind having a boom fixedly cantilevered laterally outboard from the side of the boat for releasably trailing a fishing line from a point laterally spaced outboard from the side of the boat and thereby to minimize risk of tangling while simultaneously trolling with several fishing lines. An outrigger line loops around an outboard line direction changing means fixed adjacent the free end of the boom and a motorized drive unit fixed with respect to the boom and boat. The motorized drive unit reversibly feeds the outrigger line. A traveler unit is carried on the outrigger line and has a portion supporting a fishing line release.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: October 24, 1989
    Assignee: Armstrong International, Inc.
    Inventors: Ronald D. Schlesch, Merrill H. Armstrong, Stafford J. Vallery, Harold S. Durham