Patents by Inventor Robert T. Clarke, Jr.

Robert T. Clarke, Jr. 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).

  • Segmented membrane barrier
    Patent number: 4519729
    Abstract: A combination connector and supporting member for a segmented membrane barrier is disclosed. A tubular connector is joined to one end of a membrane segment along a continuous seam and a second smaller connector, adapted to fit within the tubular connector, is attached to the opposite end of the membrane segment along a second continuous seam. A projection, extending beyond the edge of the membrane segment is adapted to fit within a key or the like for supporting and locating the connectors in a trench.
    Type: Grant
    Filed: May 10, 1983
    Date of Patent: May 28, 1985
    Assignee: Schlegel Corporation
    Inventors: Robert T. Clarke, Jr., Raymond Jasienski