Granted Patent
Utility
US 4,884,402 · App. 07/190,720
Control and regulating device for a hydrostatic drive assembly and method of operating same
Inventors:
Hilmar Strenzke, Norbert Fehn
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: May 6, 1988
Inventors
Hilmar Strenzke
Norbert Fehn
Assignee (at issue)
Linde GmbH
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.