Granted Patent
Utility
US 4,385,674 · App. 06/217,399
Load sensing power steering system
Inventor:
Glen T. Presley
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Dec 17, 1980
Inventor
Glen T. Presley
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.