Patents by Inventor John J. Hofmann

John J. Hofmann 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).

  • Glazing units, methods of making the same and adhesion promoters therefor
    Patent number: 4059469
    Abstract: An automobile glazing structure that includes at least one sheet of glass, that incorporates a multi-layer protective laceration inhibiting shield bonded to its inboard glass surface to present an exposed inboard surface, and that has areas of at least one surface of a layer of the shield treated with the reaction product of a film forming resin and a compound capable of hydrolysis followed by condensation as an adhesion promoting primer.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: November 22, 1977
    Assignee: Libbey-Owens-Ford Company
    Inventors: Paul T. Mattimoe, Theodore J. Motter, John J. Hofmann, Siegfried H. Herliczek