Granted Patent
Utility
US 6,030,317 · App. 09/125,909
Hydraulic control for operating an automatic gearbox, especially a continuosly variable transmission
Inventors:
Hubert Konig, Hans-Peter Stoll
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Aug 27, 1998
Inventors
Hubert Konig
Hans-Peter Stoll
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.