Granted Patent
Utility
US 5,665,488 · App. 08/515,855
Method of making a battery separator and the battery separator produced thereby
Inventors:
James Young, Gregory T. Humphrey, Daniel K. Lee
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Aug 16, 1995
Inventors
James Young
Gregory T. Humphrey
Daniel K. Lee
Assignee (at issue)
Amtek Research International 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.