Granted Patent
Utility
US 4,253,435 · App. 06/015,673
Diesel engine and piston assembly therefor
Inventor:
James C. McCandless
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Feb 26, 1979
Inventor
James C. McCandless
Assignee (at issue)
International Harvester 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.