Granted Patent
Utility
US 4,343,151 · App. 06/245,241
Series - parallel selector for steering and implement
Inventor:
Larry W. Lorimor
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: May 16, 1980
Inventor
Larry W. Lorimor
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.