Granted Patent
Utility
US 4,515,873 · App. 06/518,200
Lithium cell having continuous depletion gauge
Inventor:
Abel DeHaan
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Jul 28, 1983
Inventor
Abel DeHaan
Assignee (at issue)
CORDIS 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.