Patents by Inventor Thomas M. Keller

Thomas M. Keller 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: 5653217
    Abstract: A bow sight apparatus, including a housing with a front sight and a back sight mounted therein, means for illuminating the interior of the housing, and means for attaching the housing to a bow frame. The back sight is an elongated rod having a generally "V"-shaped notch formed at one end thereof; the front sight is an elongated rod having one or more sighting balls mounted thereon. In use, the bow sight is mounted to the bow frame, and its vertical and lateral positions adjusted to suit the user. The light is used to illuminate the interior of the housing under low ambient light conditions; red light is preferred so as not to alert game.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: August 5, 1997
    Inventor: Thomas M. Keller