Granted Patent
Utility
US 4,295,940 · App. 06/182,346
Method for battery plate
Inventor:
Brajendra P. Varma
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Aug 29, 1980
Inventor
Brajendra P. Varma
Assignee (at issue)
Eltra 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.