Granted Patent
Utility
US 6,431,299 · App. 09/543,187
Cooling air ducting for excavator
Inventors:
Jason J. Asche, William Curl
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Apr 5, 2000
Inventors
Jason J. Asche
William Curl
Assignee (at issue)
CLARK EQUIPMENT COMPANY
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.