Granted Patent
Utility
US 6,354,368 · App. 09/530,484
Fin for a one-piece heat exchanger and method of manufacturing the fin
Inventors:
Kunihiko Nishishita, Takashi Sugita
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: May 1, 2000
Inventors
Kunihiko Nishishita
Takashi Sugita
Assignees (at issue)
Zexel GmbH
Toyo Radiator Co., Ltd.
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.