Granted Patent
Utility
US 4,279,973 · App. 06/139,933
Electrochemical cell
Inventor:
Hanumanthiya V. Venkatasetty
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Apr 14, 1980
Inventor
Hanumanthiya V. Venkatasetty
Assignee (at issue)
Honeywell Limited
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.