Granted Patent
Utility
US 6,560,992 · App. 09/957,469
Adjustment process for a low-temperature rectification unit
Inventors:
Horst Corduan, Dietrich Rottmann
Patented Case
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Granted: May 13, 2003
Filed: Sep 21, 2001
Inventors
Horst Corduan
Dietrich Rottmann
Assignee (at issue)
Linde GmbH
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.