Granted Patent
Utility
US 6,694,774 · App. 10/357,348
Gas liquefaction method using natural gas and mixed gas refrigeration
Inventors:
M. Abdul-Aziz Rashad, Richard Fitzgerald, Dante Patrick Bonaquist, John B. Saunders, Minish Mahendra Shah
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Feb 4, 2003
Inventors
M. Abdul-Aziz Rashad
Richard Fitzgerald
Dante Patrick Bonaquist
John B. Saunders
Minish Mahendra Shah
Assignee (at issue)
Praxair Technology, 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.