Patents by Inventor Robert D. Pingston

Robert D. Pingston 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).

  • Patent number: 4891920
    Abstract: An acoustical wall panel assembly in which each wall panel includes a rectangular metallic frame member, an acoustical core panel fixedly secured within the frame, and a decorative panel. The decorative panel is removably secured to the frame by a plurality of adhesive strip members. The wall panel assembly further includes an upper track having a downwardly extending flange portion and a cover panel secured adjacent the vertical edges of adjacent panels. The cover panel has flange portions overlying the vertical side edges of the decorative panels. The adhesive strip members, the upper and lower tracks, and the flange portions of the cover panels coact to firmly maintain the decorative panels in position relative to the frame members.
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: January 9, 1990
    Assignee: N.A.I. Acoustical Interiors, Inc.
    Inventor: Robert D. Pingston