Granted Patent
Utility
US 6,673,490 · App. 10/246,545
Nickel-hydrogen storage battery and method of producing the same
Inventors:
Koji Miki, Tadashi Ise, Masao Takee
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Sep 19, 2002
Inventors
Koji Miki
Tadashi Ise
Masao Takee
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.