Granted Patent
Utility
US 4,975,723 · App. 07/473,896
Paper-processing control apparatus
Inventors:
Kenneth G. Hammerquist, Maxwell G. Maginness, Gordon L. Overbye
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Feb 2, 1990
Inventors
Kenneth G. Hammerquist
Maxwell G. Maginness
Gordon L. Overbye
Assignee (at issue)
Gretag 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.