Patents by Inventor J. Douglas Duke

J. Douglas Duke 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).

  • Arrow point puller and bow stabilizer
    Patent number: 4387697
    Abstract: An arrow point puller is provided having a shaft member, an anvil member at one end of the shaft member, and an arrow point connecting portion at the other end for connection to an arrow point embedded in a tree or the like. A hammer member is detachably connected to one end of the shaft member for slideable movement along the shaft member to impart longitudinal hammer blows to the anvil member thereby linearly applying withdrawal force to an embedded point to withdraw the point without applying bending or twisting moment to either the embedded arrow point or the arrow point puller assembly. The subject arrow point puller also includes apparatus for attaching it to an archery bow for use as a stabilizer.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: June 14, 1983
    Inventor: J. Douglas Duke
  • Bow holder
    Patent number: D281344
    Type: Grant
    Filed: January 26, 1983
    Date of Patent: November 12, 1985
    Inventor: J. Douglas Duke