Granted Patent
Utility
US 6,537,696 · App. 09/745,026
Nonwoven separator for a nickel-metal hydride battery
Inventors:
J. Kevin Whear, Joseph G. Yaritz
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Dec 20, 2000
Inventors
J. Kevin Whear
Joseph G. Yaritz
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.