Granted Patent
Utility
US 5,163,659 · App. 07/625,947
Hydraulic actuator for leveling system
Inventor:
Magnus B. Lizell
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Dec 11, 1990
Inventor
Magnus B. Lizell
Assignee (at issue)
Monroe Auto Equipment Company
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.