Granted Patent
Utility
US 4,251,607 · App. 06/109,138
Nonaqueous battery with organic compound cathode
Inventors:
Junichi Yamaki, Akihiko Yamaji
Patented Case
View Patent ↗
Granted: Feb 17, 1981
Filed: Jan 2, 1980
Inventors
Junichi Yamaki
Akihiko Yamaji
Assignee (at issue)
Nippon Telegraph and Telephone Public Corporation
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.