Granted Patent
Utility
US 4,705,199 · App. 06/750,814
Vacuum drum for securing a film thereto
Inventors:
John L. Herman, Robert A. Dessert, Dinesh G. Punater
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Jun 28, 1985
Inventors
John L. Herman
Robert A. Dessert
Dinesh G. Punater
Assignee (at issue)
Harris Graphics
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.