Granted Patent
Utility
US 3,948,680 · App. 05/486,663
Lead-acid storage battery capable of activation by the addition of electrolyte
Inventors:
George W. Mao, Anthony Sabation
Patented Case
View Patent ↗
Granted: Apr 6, 1976
Filed: Jul 8, 1974
Inventors
George W. Mao
Anthony Sabation
Assignee (at issue)
Gould 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.