Granted Patent
Utility
US 6,197,147 · App. 09/091,659
Process for continuous production of membrane-electrode composites
Inventors:
Harald Bönsel, Joachim Clauss, Gregor Deckers, Georg Frank, Arnold Schneller, Helmut Witteler, Mike Rommler, Michael Heine
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Apr 5, 1999
Inventors
Harald Bönsel
Joachim Clauss
Gregor Deckers
Georg Frank
Arnold Schneller
Helmut Witteler
Mike Rommler
Michael Heine
Assignee (at issue)
Hoescht Research & Technology Deutschland GmbH & Co. KG
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.