Patents by Inventor William C. Schadrack, III

William C. Schadrack, III 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: 4549538
    Abstract: A pin inserter sheath which consists of a plurality of telescoping tubular portions. The sheath is adapted for attachment to a drilling device. A channel extends throughout the elongated telescoping tubular portion which is substantially adapted to the shape of the pin being inserted. The conforming channel provides lateral support to the pin therefore minimizing inflections in the pin as it is being drilled.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: October 29, 1985
    Assignee: Zimmer, Inc.
    Inventors: William C. Schadrack, III, Robert W. McQueen, Joyce K. Eyerly
  • Patent number: D265343
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: July 6, 1982
    Assignee: Zimmer USA, Inc.
    Inventors: William C. Schadrack, III, William B. Clarke