Patents by Inventor William D. Manske

William D. Manske 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).

  • Audible arrow
    Patent number: 5294131
    Abstract: A hunting arrow having a hollow shaft accommodating a sound generator actuated upon impact with a target to aid in finding the arrow. The shaft has one or more slots that function to direct the generated sound. The sound generator includes a piezio electric element and a tone control device that causes the element to emit separate sequential sounds of varying frequencies. An electrical contact mounted on the sound generator maintains continuous electric contact after impact.
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: March 15, 1994
    Inventor: William D. Manske