Patents by Inventor Marvin L. Bordeaux

Marvin L. Bordeaux 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: 4617741
    Abstract: A rangefinding device wherein a series of movable lines are created electronically via the use of a liquid crystal display and associated circuitry. When a target of a known size, such as a deer, is "bracketed" exactly between two of these lines, the correct yardage is indicated on another portion of the liquid crystal display. The device has utility for both hunting and target purposes. The device is battery operated and is small enough and light enough to be mounted on any standard recurve bow, compound bow, or crossbow.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: October 21, 1986
    Inventors: Marvin L. Bordeaux, Dennis R. Ward