Granted Patent
Utility
US 5,773,079 · App. 08/461,369
Process for repairing battery separators
Inventors:
Werner Bohnstedt, Klaus Heinrich Ihmels, Karsten Fischer, Jurgen Ruhoff
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jun 5, 1995
Inventors
Werner Bohnstedt
Klaus Heinrich Ihmels
Karsten Fischer
Jurgen Ruhoff
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.