Granted Patent
Utility
US 5,819,660 · App. 08/449,522
Automatic cleaning system for press rollers and cylinders
Inventors:
Harold W. Gegenheimer, Charles R. Gasparrini, Walter H. Cano
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: May 24, 1995
Inventors
Harold W. Gegenheimer
Charles R. Gasparrini
Walter H. Cano
Assignee (at issue)
Baldwin Graphic Systems Inc.
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.