Granted Patent
Utility
US 4,469,007 · App. 06/433,111
Single lever control with automatic valve latching
Inventor:
Kurt B. Melocik
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Nov 20, 1981
Inventor
Kurt B. Melocik
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.