Granted Patent
Utility
US 6,345,517 · App. 09/601,376
Combined cryogenic air separation with integrated gasifier
Inventor:
Frederick C. Jahnke
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Sep 5, 2000
Inventor
Frederick C. Jahnke
Assignee (at issue)
Texaco Inc.
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.