Granted Patent
Utility
US 6,834,072 · App. 10/414,835
Method, furnace shell, and furnace for rebaking and graphitizing carbon bodies
Inventors:
Johann Daimer, Stefan Gschwandtner, Franz Kalchschmid, Franz Kals, Walter Lhotzky, Franz Liebhart, Gerhard Putz, Hubert Putz
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Apr 16, 2003
Inventors
Johann Daimer
Stefan Gschwandtner
Franz Kalchschmid
Franz Kals
Walter Lhotzky
Franz Liebhart
Gerhard Putz
Hubert Putz
Assignee (at issue)
SGL Carbon 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.