Patents by Inventor Gary C. Stivali

Gary C. Stivali 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).

  • Roller skate braking
    Patent number: 5934691
    Abstract: Roller skate braking actuated by the skater, by hand or foot, and aided mechanically, hydraulically, and/or electrically, whether in actuation, linkage, or braking retardation of at least a rearmost skate-supporting wheel. A braking roller having a concave portion fitting closely against the convex wheel surface is retarded to slow or stop the wheel and the skate, however the skater so actuates it.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: August 10, 1999
    Inventor: Gary C. Stivali