Granted Patent
Utility
US 4,517,262 · App. 06/564,013
Vent for a storage battery
Inventor:
David B. Beidler
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Dec 21, 1983
Inventor
David B. Beidler
Assignee (at issue)
General Battery 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.