Patents by Inventor George F. Hartman

George F. Hartman 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).

  • Swivels
    Patent number: 4064604
    Abstract: An improved snap swivel comprising a lightweight, plate-like body of thermoplastic composition including a recess in the rearmost portion of one side, an eye rotatably mounted in the foremost end of said body, and a clasp freely pivoted in proximity to the rearmost end of said body, said clasp including an angularly inwardly extending leg adapted to lie in said recess and a hook adapted to engage and disengage said leg when said clasp is rotated at right angles to said body.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: December 27, 1977
    Inventor: George F. Hartman