Granted Patent
Utility
US 5,247,739 · App. 07/963,183
Method of making a heat exchanger using an adjustable brazing fixture
Inventor:
Ronald Pardi
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Oct 19, 1992
Inventor
Ronald Pardi
Assignee (at issue)
Ford Motor 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.