Patents by Inventor William J. Stoesser

William J. Stoesser 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).

  • Patent number: 5072257
    Abstract: A vacuum frame apparatus and method for maintaining registration of graphic material to be exposed to light having a surface on a base for supporting graphic materials which remains stationary with respect to the base and having a cover which moves with respect to the stationary support surface into engagement with graphic materials to sandwich the same between the cover and support surface.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: December 10, 1991
    Assignee: Stoesser Industries
    Inventors: William J. Stoesser, Peter G. Dockree