Granted Patent
Utility
US 5,942,354 · App. 08/982,926
Reduced curl battery separator and method
Inventors:
Jeffery A. Oxley, Thomas Danko
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Dec 2, 1997
Inventors
Jeffery A. Oxley
Thomas Danko
Assignee (at issue)
Viskase Companies, 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.