Granted Patent
Utility
US 5,211,544 · App. 07/836,510
Hydraulic pump
Inventors:
Rolf Klumpp, Claus Peter Hoptner, Uwe Matena
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Feb 18, 1992
Inventors
Rolf Klumpp
Claus Peter Hoptner
Uwe Matena
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.