Patents by Inventor J. Carson Jackson

J. Carson Jackson 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).

  • Upper window sash with projections for simplified sash installation and removal
    Patent number: 4831778
    Abstract: An upper sash of a frame window or door assembly which is provided with projections extending below the lower rail of the upper sash, wherein the projections engage and cooperate with a notch found on the flange of the jamb of the frame assembly in a manner so as to support and restrict movement of the upper sash.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: May 23, 1989
    Assignee: Capitol Products Corporation
    Inventors: Dietrich F. Schmidt, David R. Johnson, J. Carson Jackson