Granted Patent
Utility
US 5,984,982 · App. 08/924,152
Electrochemical synthesis of cobalt oxyhydroxide
Inventors:
Guang-Xue Wei, Weifang Luo
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Sep 5, 1997
Inventors
Guang-Xue Wei
Weifang Luo
Assignee (at issue)
Duracell Inc.
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.