Patents by Inventor Andre Buffet

Andre Buffet 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).

  • Tensioning device for a rolling screen arrangement
    Patent number: 4252172
    Abstract: A rolling screen arrangement such as a window blind, a rolling garage door or a projection screen comprises a tensioning device applying a progressively increasing tension on the flexible rolling element as it unwinds.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: February 24, 1981
    Assignee: Etablissements Carpano & Pons
    Inventors: Alain Pommat, Andre Buffet