Patents by Inventor Frederic R. Kershaw

Frederic R. Kershaw 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).

  • Shellfish lure
    Patent number: 4833815
    Abstract: A shellfish lure (10) is formed of a bait hook (12), nests (18) of entangled loops (20), and a weight (22) attached to a main line (24). The loops (20) are formed of individual strands (30) of resilient, flexible monofilament line bound together at a common point by a crimp (32) to ensnare crabs (38) or other shellfish attracted to the bait.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: May 30, 1989
    Inventor: Frederic R. Kershaw