Granted Patent
Utility
US 6,339,928 · App. 09/606,719
System for controlling a hydraulic propulsion drive
Inventor:
Wilhelm Gollner
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Jun 29, 2000
Inventor
Wilhelm Gollner
Assignee (at issue)
SAUER-DANFOSS INC.
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.