Granted Patent
Utility
US 5,727,626 · App. 08/594,325
Header tank of heat exchanger
Inventor:
Soichi Kato
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jan 30, 1996
Inventor
Soichi Kato
Assignee (at issue)
Zexel GmbH
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.