Granted Patent
Utility
US 4,858,565 · App. 07/217,194
Engine component heating and cooling assembly
Inventor:
James A. King
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jul 11, 1988
Inventor
James A. King
Assignee (at issue)
J. I. Case 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.