Granted Patent
Utility
US 4,618,401 · App. 06/682,546
Battery separator material
Inventor:
Warren J. Bodendorf
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Dec 17, 1984
Inventor
Warren J. Bodendorf
Assignee (at issue)
Texon LP
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.