Granted Patent
Utility
US 5,519,304 · App. 08/494,079
Circuit for measuring the state of charge of an electrochemical cell
Inventors:
Xavier Andrieu, Philippe Poignant
Patented Case
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Granted: May 21, 1996
Filed: Jun 23, 1995
Inventors
Xavier Andrieu
Philippe Poignant
Assignee (at issue)
Alcatel Alsthom Compagnie Generale d'Electricite
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.