Granted Patent
Utility
US 5,478,670 · App. 08/153,586
Non-aqueous electrolyte electrochemical cell comprising high Ni austenitic stainless steel positive electrode case
Inventors:
Toyoo Hayasaka, Toyoo Harada, Tsugio Sakai, Junko Ohshida
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Nov 17, 1993
Inventors
Toyoo Hayasaka
Toyoo Harada
Tsugio Sakai
Junko Ohshida
Assignee (at issue)
Seiko Electronic Components 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.