Granted Patent
Utility
US 5,541,015 · App. 08/342,925
Fuel cell using a separate gas cooling method
Inventors:
Osamu Tajima, Akira Hamada, Junji Tanaka, Yasunori Yoshimoto, Keigo Miyai, Nobuyoshi Nishizawa, Masaru Tsutsumi, Tomotoshi Ikenaga, Kunihiro Nakato, Kiyoshi Hori
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Nov 21, 1994
Inventors
Osamu Tajima
Akira Hamada
Junji Tanaka
Yasunori Yoshimoto
Keigo Miyai
Nobuyoshi Nishizawa
Masaru Tsutsumi
Tomotoshi Ikenaga
Kunihiro Nakato
Kiyoshi Hori
Assignee (at issue)
SANYO ELECTRIC 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.