Granted Patent
Utility
US 4,528,483 · App. 06/456,753
Multiple-shaft drive
Inventor:
Rolf Muller
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jan 10, 1983
Inventor
Rolf Muller
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.