Granted Patent
Utility
US 4,343,152 · App. 06/245,230
Load sensing porting arrangement
Inventor:
Cyril W. Habiger
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: May 16, 1980
Inventor
Cyril W. Habiger
Assignee (at issue)
Caterpillar Tractor Co.
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.