Granted Patent
Utility
US 5,609,203 · App. 08/516,151
Laminated heat exchanger
Inventors:
Takashi Kinugasa, Kunihiko Nishishita, Seiji Inoue
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Aug 17, 1995
Inventors
Takashi Kinugasa
Kunihiko Nishishita
Seiji Inoue
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.