Granted Patent
Utility
US 4,391,398 · App. 06/122,684
Method of tensioning a tape
Inventor:
Heinrich Cap
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Feb 19, 1980
Inventor
Heinrich Cap
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.