Patents by Inventor Philip E. Shrimpton

Philip E. Shrimpton 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).

  • Tracks for sporting events
    Patent number: 4830532
    Abstract: A cushioned track surface for sporting events comprises superposed courses of materials. The track surface comprises courses of: (a) an underlying course of particulate material, (b) an intermediate course of fibrous material, (c) a binding course of shredded paper and (d) a wear surface course of additional fibrous material. The binding course serves a function of holding together the intermediate and wear surface course of fibrous material so as to prolong the durability of the track surface while at the same time providing good drainage and good footing.
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: May 16, 1989
    Assignee: Anthony V. Macke
    Inventors: Anthony V. Macke, Philip E. Shrimpton