Patents by Inventor J. Robert Herr

J. Robert Herr 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).

  • Method and apparatus of positioning a new ceiling over an existing ceiling
    Patent number: 4920719
    Abstract: A runner system is provided to position a new ceiling over an existing ceiling and to position the new ceiling within a one to two inch space from the surface of the existing ceiling. Two z-shaped runners are fastened to the existing ceiling and ceiling boards will rest on the horizontal flanges of the z-shaped runners. A cross-runner is also designed to rest upon the horizontal flanges of the z-shaped runners and a projection and notch arrangement locks the cross-runners in position between the two adjacent z-shaped runners.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: May 1, 1990
    Assignee: Armstrong World Industries, Inc.
    Inventors: Melvin H. Shaub, J. Robert Herr
  • Ceiling tile trimming tool
    Patent number: D322924
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: January 7, 1992
    Assignee: Armstrong World Industries, Inc.
    Inventors: Melvin H. Shaub, J. Robert Herr