Patents by Inventor F. David Hart

F. David Hart 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).

  • Sheath retainer
    Patent number: 5423785
    Abstract: A sheath retainer includes a base member having a first planar portion and a second raised portion extending therefrom. The second raised portion has a circular opening therethrough. A plurality of spaced clamps are provided. Each clamp has a first end portion hingedly connected to the second raised portion about the opening, and a second end portion directed generally towards the plane of the first planar portion.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: June 13, 1995
    Inventor: F. David Hart