Patents by Inventor Charles E. Whitcraft, Jr.

Charles E. Whitcraft, Jr. 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).

  • Modular hip prosthesis
    Patent number: 5286260
    Abstract: A modular hip prosthesis for the replacement of a portion of the femur is provided. The prosthesis is assembled from a kit that includes a stem member having an upper portion and a lower portion, with the lower portion sized to be received in the femur. The kit also includes a body member that is sized to replace a portion of the femur and is configured to be received over the upper portion of a stem member. The kit also includes a head member that is sized to replace the head of the femur. A neck member is provided to attach the head member to the body member to form an assembled prosthesis.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: February 15, 1994
    Assignee: DePuy Inc.
    Inventors: Richard Bolesky, Todd S. Smith, Charles E. Whitcraft, Jr.
  • Modular hip prosthesis
    Patent number: 5181928
    Abstract: A modular hip prosthesis for the replacement of a portion of the femur is provided. The prosthesis is assembled from a kit that includes a stem member having an upper portion and a lower portion, with the lower portion sized to be received in the femur. The kit also includes a body member that is sized to replace a portion of the femur and is configured to be received over the upper portion of a stem member. The kit also includes a head member that is sized to replace the head of the femur. A neck member is provided to attach the head member to the body member to form an assembled prosthesis.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: January 26, 1993
    Assignee: Boehringer Mannheim Corporation
    Inventors: Richard Bolesky, Todd S. Smith, Charles E. Whitcraft, Jr.
  • Modular hip prosthesis
    Patent number: 5080685
    Abstract: A modular hip prosthesis for the replacement of a portion of the femur is provided. The prosthesis is assembled from a kit that includes a stem member having an upper portion and a lower portion, with the lower portion sized to be received in the femur. The kit also includes a body member that is sized to replace a portion of the femur and is configured to be received over the upper portion of a stem member. The kit also includes a head member that is sized to replace the head of the femur. A neck member is provided to attach the head member to the body member to form an assembled prosthesis.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: January 14, 1992
    Assignee: Boehringer Mannheim Corporation
    Inventors: Richard Bolesky, Todd S. Smith, Charles E. Whitcraft, Jr., John A. Engelhardt, David C. Kelman