Patents by Inventor Frederick W. Parker

Frederick W. Parker 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).

  • Support member formed of recycled material and process of manufacture
    Patent number: 5714219
    Abstract: A resilient support member is provided for supporting a sidewalk, road surface, etc. The support member is formed of tire particles and a polyurethane binder. The tire particles have a size such that 100% of the particles will pass through a three inch sieve and about 95% of the particles will be retained on a half-inch sieve. The tire particles form about 80% to 95% by weight of the support member and the polyurethane forms about 5% to 20% by weight of the support member.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: February 3, 1998
    Assignee: Soft Stone Corporation
    Inventors: Joe Ben Mashunkashey, Frederick W. Parker