Granted Patent
Utility
US 5,672,132 · App. 08/586,641
Continuously variable transmission regulation process
Inventor:
Manfred Schwab
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jan 22, 1996
Inventor
Manfred Schwab
Assignee (at issue)
ZF Friedrichshafen AG
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.