Patents by Inventor Randall Lee Hacker

Randall Lee Hacker 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).

  • Rotary shaver with improved connection between flexible and rigid rotatable tubes
    Patent number: 7993360
    Abstract: An rotary shaver having an attachment device for coupling a flexible transmission shaft to rigid ends. In at least one embodiment, the rotary shaver may be a curved rotary shaver. The inner shaft may be formed from rigid ends connected together with the flexible transmission shaft via an attachment device. The attachment device may include a collar protruding from an outer surface to penetrate an inner surface of the flexible transmission shaft. The attachment device may also include one or more grooves or protrusions for the transmission of torque.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: August 9, 2011
    Assignee: Arthrex, Inc.
    Inventors: Randall Lee Hacker, Robert A. Van Wyk, Gary R. Heisler
  • Rotary shaver with improved connection between flexible and rigid rotatable tubes
    Publication number: 20080071303
    Abstract: An rotary shaver having an attachment device for coupling a flexible transmission shaft to rigid ends. In at least one embodiment, the rotary shaver may be a curved rotary shaver. The inner shaft may be formed from rigid ends connected together with the flexible transmission shaft via an attachment device. The attachment device may include a collar protruding from an outer surface to penetrate an inner surface of the flexible transmission shaft. The attachment device may also include one or more grooves or protrusions for the transmission of torque.
    Type: Application
    Filed: July 11, 2006
    Publication date: March 20, 2008
    Inventors: Randall Lee Hacker, Robert A. Van Wyk, Gary R. Heisler