Granted Patent
Utility
US 4,465,357 · App. 06/366,341
Drive system for a photocopier
Inventors:
Hubert Mugrauer, Walter Kopp
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Apr 7, 1982
Inventors
Hubert Mugrauer
Walter Kopp
Assignee (at issue)
Siemens Aktiengesellschaft
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.