Patents by Inventor David P. Leonardi

David P. Leonardi 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).

  • Fastener for retaining shoe laces and drawstrings
    Patent number: 5903959
    Abstract: A shoe lace fastener is set forth which includes a base member and a clamp member. The base member has an opening defining a pair of bearing surfaces and the clamp member has legs adapted to be received in the opening to trap and secure lace ends threaded through holes in the legs.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: May 18, 1999
    Inventor: David P. Leonardi