Granted Patent
Utility
US 4,447,508 · App. 06/488,526
Reduced maintenance explosion damage resistant storage battery
Inventor:
Henry E. Jensen
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Apr 28, 1983
Inventor
Henry E. Jensen
Assignee (at issue)
ALLIED CONSULTING, 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.