Patents by Inventor Robert Wayne Selgrad

Robert Wayne Selgrad 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).

  • Curtain barrier assembly
    Patent number: 6206079
    Abstract: A frame having a top frame piece, a bottom frame piece with a receptor, a first side frame piece attached to the top frame piece and to the bottom frame piece and a second side frame piece attached to the top frame piece and to the bottom frame piece. A foot is attached to the receptor, wherein the receptor has a structure such that the foot can be attached to the receptor only at n predetermined positions, where n is ≧2.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: March 27, 2001
    Assignee: Industrial Noise Control, Inc.
    Inventor: Robert Wayne Selgrad