Granted Patent
Utility
US 4,597,752 · App. 06/678,816
Paper stacker for a pre-folded continuous web with a variable-length guide channel
Inventors:
Gerhard Muller, Hans Hahn, Walter Tropschuh
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Dec 6, 1984
Inventors
Gerhard Muller
Hans Hahn
Walter Tropschuh
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.