Patents by Inventor Griffith Bowen

Griffith Bowen 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).

  • Polyvinyl butyral laminates
    Patent number: 4293615
    Abstract: Laminates of glazing material and polyvinyl butyral plasticized with propylene oxide oligomers.
    Type: Grant
    Filed: May 30, 1980
    Date of Patent: October 6, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Griffith Bowen, Peter A. Fowell