Patents by Inventor John D. Flood

John D. Flood 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: 4134383
    Abstract: A bow drawing indicator for attachment to a bow and including a switch device having a spring operating arm extending therefrom for movement in one direction to successively contact and close two different circuit contacts, a flexible member connecting said arm to said bowstring to move said operating arm to circuit closing positions with drawing movement of said bowstring, a pair of indicator lights, and power circuits connecting individually to the lights to actuate one light on partial tensioning of said bowstring and to actuate the second light on continued drawing of said bowstring.
    Type: Grant
    Filed: January 13, 1977
    Date of Patent: January 16, 1979
    Assignee: Charles R. Iden
    Inventor: John D. Flood