Granted Patent
Utility
US 4,529,677 · App. 06/551,072
Battery separator material
Inventor:
Warren J. Bodendorf
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Nov 14, 1983
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.