Patents by Inventor Homer C. Criswell

Homer C. Criswell 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).

  • Curtain wall gasket
    Patent number: 3974613
    Abstract: Disclosed is a curtain wall gasket adapted to support inside wall glazing materials. The gasket includes an expansion zipper which acts as the support and attachment means for attaching the gasket to support mullions.
    Type: Grant
    Filed: October 17, 1972
    Date of Patent: August 17, 1976
    Inventor: Homer C. Criswell
  • Glazing panel support system
    Patent number: 3938291
    Abstract: Disclosed is a glazing panel support system including an expansion zipper wedge which supports the gasket. The system includes mullions comprised of parallel plates with inwardly projecting legs which mate with grooves in the gasket. The mullion plates are internally interlocked to provide a mullion and gasket system wherein the expansion wedge and the mullion panel interlocking means are totally concealed.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: February 17, 1976
    Inventor: Homer C. Criswell