Granted Patent
Utility
US 5,036,403 · App. 07/458,758
Mode of operating of a circuit arrangement for improving the bounce behavior of print form engraving systems
Inventors:
Rolf Hupka, Christian Wiechering
Patented Case
View Patent ↗
Granted: Jul 30, 1991
Filed: Jan 22, 1990
Inventors
Rolf Hupka
Christian Wiechering
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
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.