Patents by Inventor Michael J. Silvestro

Michael J. Silvestro 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).

  • Shin guard and method of making
    Patent number: 4484360
    Abstract: A shin guard and a method of making it are disclosed. The shin guard has a rigid outer shell of polyurethane and a polyurethane foam backing. A recess is formed in the foam backing by pressing in a hot die having the profile of the recess to be made. The recess is oblong and centered over the shin bone or tibia. A dense, modified polyurethane is then cast in the recess. The combination of polyurethane foam and dense, modified polyurethane provides excellent shock absorption in a light weight shin guard.
    Type: Grant
    Filed: October 13, 1983
    Date of Patent: November 27, 1984
    Assignee: Spectrum Sports, Inc.
    Inventors: Kenneth B. Leighton, Michael J. Silvestro
  • Knee and elbow pad and method of making
    Patent number: 4484361
    Abstract: An elbow or knee pad and a method of making the same are disclosed. The pad includes an elasticized sleeve to surround the joint to be protected and a pad assembly fastened to the sleeve. The pad assembly includes a fabric covering over a polyurethane foam backing. A recess is formed in the polyurethane by pressing a hot die into it and a dense, modified polyurethane is cast in the recess. The combination of polyurethane foam and dense, modified polyurethane provides superior shock absorption and protection from impact.
    Type: Grant
    Filed: October 13, 1983
    Date of Patent: November 27, 1984
    Assignee: Spectrum Sports, Inc.
    Inventors: Kenneth B. Leighton, Michael J. Silvestro