Patents by Inventor Leyman E. Clifton

Leyman E. Clifton 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).

  • Bow clasp
    Patent number: D316530
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: April 30, 1991
    Inventor: Leyman E. Clifton