Patents by Inventor Guenter Schmah

Guenter Schmah 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).

  • Sail for sports equipment, in particular windsurfing sail, comprised of polyester film
    Patent number: 5221569
    Abstract: A sail for sports equipment, in particular a windsurfing sail, comprising a multilayered composite film comprising a stretch-oriented and heat-set polyester film preferably made of polyethylene terephthalate, and at least one plastics layer of polyolefin, polyamide, polyester, polyvinyl chloride or fluorocarbon resin applied to at least one of the two surfaces of said polyester film.
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: June 22, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz-Werner Rohrka, Harald Hessberger, Guenter Schmah