Patents by Inventor David B. Hedrick

David B. Hedrick 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: 9333408
    Abstract: A golf swing aid is attached to the shaft of a golf club. The aid comprises (a) a sleeve having a longitudinal slot defining a longitudinal axis for frictional attachment to a shaft of a golf club; and (b) a rod extending outwardly from the sleeve opposite the longitudinal slot and forming an angle of about 40 to 80 degrees to the longitudinal axis of the sleeve. When the club is swung optimally, the rod is hidden beneath the shaft when the ball is contacted.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: May 10, 2016
    Inventor: David B. Hedrick
  • Patent number: 5271256
    Abstract: A tooling module for use in a stamping and forming machine comprises a tooling portion and an actuator portion. The actuator portion is fixed to a reciprocable ram and the tooling portion is slidably carried by the actuator portion. The tooling portion is normally spaced from to the actuator portion and is movable to an adjacent position. The tooling portion has forming tooling thereon for performing a bending or other operation on strip material. The actuator portion has an actuator such as a cam for moving the forming tooling when the module is moved by the ram against the strip on which forming operations are being carried out.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: December 21, 1993
    Assignee: The Whitaker Corporation
    Inventors: David B. Hedrick, Johannes C. W. Bakermans, Robert B. Gingrich