Granted Patent
Utility
US 6,703,161 · App. 10/076,019
Multilayer separator for lead-acid batteries
Inventor:
Jerry Zucker
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Feb 14, 2002
Inventor
Jerry Zucker
Assignee (at issue)
DARAMIC, LLC
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.