Granted Patent
Utility
US 5,948,569 · App. 08/897,775
Lithium ion electrochemical cell
Inventors:
Peter R. Moses, Shuming Zeng, Enoch I. Wang, Guang-Xue Wei
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Jul 21, 1997
Inventors
Peter R. Moses
Shuming Zeng
Enoch I. Wang
Guang-Xue Wei
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.