Granted Patent
Utility
US 5,277,671 · App. 07/948,637
Hydraulic control of epicyclic-type change-speed gearbox
Inventor:
Lutz Paulsen
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Sep 23, 1992
Inventor
Lutz Paulsen
Assignee (at issue)
MERCEDES-BENZ GROUP 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.