Granted Patent
Utility
US 5,143,799 · App. 07/822,816
Sealed batteries with zinc electrode
Inventor:
Boris Tsenter
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Jan 21, 1992
Inventor
Boris Tsenter
Assignee (at issue)
Battery Technologies International
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.