Patents by Inventor Steward Charles Watson

Steward Charles Watson 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: 4080086
    Abstract: Sealing apparatus for joints in roadways which comprises elongated anchor pads secured by studs and nuts to the surfaces of concrete slabs on opposite sides of a gap therebetween and a flexible, resilient, elongated, sealing member extending between and integral with said pads, said pads preferably being formed of a relatively hard elastomeric material having rock fragments embedded therein and reinforced by longitudinally extending metal plates therein. Means is provided for connecting sections of said sealing apparatus end-to-end and preventing leakage at their contacting ends.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: March 21, 1978
    Assignee: Watson-Bowman Associates, Inc.
    Inventor: Steward Charles Watson