Patents by Inventor George Gillis

George Gillis 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).

  • Grating assembly
    Patent number: 5291714
    Abstract: A grating assembly comprising end rails, substantially J-shaped, with a bottom, outside wall and substantially parallel inside wall, about one-half the height of the outside wall. The inside wall is formed with slots to hold intermediate spacer bars that support tread rails which are in a spaced relation to one another.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: March 8, 1994
    Assignee: Architectural Gratings & Grillwork, Inc.
    Inventors: Bruce H. Wright, George Gillis