Granted Patent
Utility
US 6,488,003 · App. 09/765,969
Oil cooler for internal combustion engines
Inventor:
Jan Karlsson
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jan 19, 2001
Inventor
Jan Karlsson
Assignee (at issue)
VOLVO CAR CORPORATION
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.