Patents by Inventor Joan V. Greenslade

Joan V. Greenslade 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).

  • Decorative elements for subceilings
    Patent number: 5495697
    Abstract: Miniature hollow beams for easy installation onto a conventional inverted T-bar subceiling framework are disclosed. The beams comprise two flat portions adapted to fit snugly against the T-bar rail, the beams having two hooked arms that snap over the edges of the rail and inwardly sloping, downwardly extending sidewalls that provide a decorative V-shaped or U-shaped appearance when sighted from below.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: March 5, 1996
    Inventors: Wesley T. K. Bischel, Joan V. Greenslade, Chester W. Hallett, Henry G. Stein
  • Decorative elements for subceilings
    Patent number: 5421132
    Abstract: Miniature beams for easy installation onto a conventional inverted T-bar subceiling framework are disclosed. The beams are composed of a flat portion or web adapted to fit snugly against the T-bar rail, the web having two hooked arms that snap over the edges of the rail and a plurality of elements extending from the web that provides a decorative pattern when sighted from below.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: June 6, 1995
    Assignee: Armstrong World Industries, Inc.
    Inventors: Wesley T. K. Bischel, Joan V. Greenslade, Chester W. Hallett, Henry G. Stein
  • Decorative elements for subceilings
    Patent number: 5265393
    Abstract: Miniature beams for easy installation onto a conventional inverted T-bar subceiling framework are disclosed. The beams comprise a flat portion or web adapted to fit snugly against the T-bar rail, the web having two hooked arms that snap over the edges of the rail and at least one element extending from the web that has a decorative element at the end of its vertical extension.
    Type: Grant
    Filed: March 17, 1993
    Date of Patent: November 30, 1993
    Assignee: Armstrong World Industries, Inc.
    Inventors: Wesley T. K. Bischel, Joan V. Greenslade, Chester W. Hallett, Henry G. Stein