Patents by Inventor Guy R. Toombes

Guy R. Toombes 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).

  • Composite femoral implant having increased neck strength
    Patent number: 5163962
    Abstract: Disclosed is an improvement in a femoral implant for a hip prosthesis involving a longitudinal shaft having a neck extending therefrom at an acute angle .theta. to the longitudinal direction made of layers of carbon fiber in a polymeric matrix, each layer containing unidirectional fibers and the layers arranged such that carbon fibers are oriented in the longitudinal direction and the .+-..theta. direction. The improvement involves balancing at least 50% of the layers in the .+-..theta. direction.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: November 17, 1992
    Assignee: BHC Laboratories, Inc.
    Inventors: Richard A. Salzstein, Guy R. Toombes