Granted Patent
Utility
US 6,131,389 · App. 09/202,050
Hydrostatic steering device with two steering systems
Inventor:
S.o slashed.ren Nygaard S.o slashed.rensen
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Dec 7, 1998
Inventor
S.o slashed.ren Nygaard S.o slashed.rensen
Assignee (at issue)
Danfoss Fluid Power A/S
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.