Granted Patent
Utility
US 6,086,504 · App. 09/155,058
Planetary gear and clutch-brake arrangement
Inventor:
Dietmar Illerhaus
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Sep 17, 1998
Inventor
Dietmar Illerhaus
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.