Patents by Inventor Robert H. Fredericks

Robert H. Fredericks 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).

  • Patent number: 3957383
    Abstract: A flexible fiberglass shield, of L-shaped cross section and conforming to the size, curvature, and shape of a molded curb between vehicular pavement and walkway areas, and a method for affixing a plurality of shields to a curb by bonding with a cushioning coating of asphalt emulsion and securing with driven pins along the rims thereof to provide impact resistance and protection against freezing and salt damage.
    Type: Grant
    Filed: September 4, 1973
    Date of Patent: May 18, 1976
    Inventor: Robert H. Fredericks