Patents by Inventor Robert L. Charpentier

Robert L. Charpentier 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).

  • Ice fishing tip-up with indicator light and flag
    Patent number: 5067269
    Abstract: A bias coil spring loaded ice fishing tip-up assembly having an indicator light consisting of a light bulb, two strand lead wires, a non conductive collar with a metal plate attached, a conductive collar and a battery clip. This assembly is attached to a movable strike indicator which, when activated by a trigger will cause the completion of a circuit, lighting the bulb intermittently at first, then becoming a steady source of light, signaling a fish strike.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: November 26, 1991
    Inventors: David M. Eppley, Robert L. Charpentier