Patents by Inventor David B. Brawer

David B. Brawer 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).

  • Stair barrier
    Patent number: 4991691
    Abstract: A portable stair barrier intended to prevent very young children from climbing up a stairway is formed by a ramp having support members adapted for rest on the stairway, wherein the ramp bridges over one or more stairs when deployed.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: February 12, 1991
    Inventors: David B. Brawer, Michael I. Hauptman