Granted Patent
Utility
US 4,343,338 · App. 06/277,756
Tire cooling system and method
Inventor:
Cullen P. Hart
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Feb 25, 1981
Inventor
Cullen P. Hart
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.