Granted Patent
Utility
US 4,414,301 · App. 06/329,375
Formed separator set for lead acid batteries
Inventor:
Ronald L. Constein
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Dec 10, 1981
Inventor
Ronald L. Constein
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.