Patents Assigned to Stoesser Industries
  • 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