Patents Assigned to Architectural Gratings & Grillwork, Inc.
  • 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