Patents by Inventor Charles J. Crothers

Charles J. Crothers 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: 4338756
    Abstract: Preformed panels having a layer of insulation secured to the rear surface of a facing layer are retained in position against a wall by horizontally disposed banding having resiliently coupled ends. A vertical member along one side edge portion of a panel has a spring portion terminating in a flange angled outwardly away from the facing sheet so that a side edge portion of the next adjacent facing sheet may be inserted therebetween and clamped against the facing sheet of the first panel to thereby interlock adjacent horizontally disposed panels.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: July 13, 1982
    Assignee: Thermacon Industries, Inc.
    Inventor: Charles J. Crothers