Granted Patent
Utility
US 4,363,539 · App. 06/284,780
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Inventor:
Heinz J. Gerber
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Jul 20, 1981
Inventor
Heinz J. Gerber
Assignee (at issue)
Gerber Scientific, 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.