Granted Patent
Utility
US 5,989,503 · App. 08/990,721
Process and apparatus for methanol reforming
Inventors:
Norbert Wiesheu, Detlef Zur Megede, Rainer Autenrieth
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Dec 15, 1997
Inventors
Norbert Wiesheu
Detlef Zur Megede
Rainer Autenrieth
Assignee (at issue)
Daimlerchrysler AG
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.