Patents by Inventor Edouard A. Gratton

Edouard A. Gratton 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).

  • Pigeon barrier
    Patent number: 4937988
    Abstract: A barrier for preventing pigeons from landing on a balcony rail comprising a pair of support brackets adapted for flush mounting to opposite ends of the balcony rail, and a plurality of monofilament wires secured between the pair of support brackets.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: July 3, 1990
    Assignees: William H. Young, Vaughn W. Boyt
    Inventor: Edouard A. Gratton