Patents by Inventor Harinder S. Bawa

Harinder S. Bawa 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).

  • Fire door window construction
    Patent number: 4930276
    Abstract: A fire retardant window construction for a fire door comprises a trim strip having inner and outer members. The inner member is of a high density incombustible mineral material or ceramic and is nailed in position to securely and uniformly hold the pane of glass in the door opening. The outer trim member is of a fire retardant particle board and has an exposed wood veneer facing throughout. An intumescent caulking compound is applied between an inner portion of the outer trim member and the pane of glass.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: June 5, 1990
    Assignee: Dynamics Corporation of America
    Inventors: Harinder S. Bawa, Christopher P. Abbey