Granted Patent
Utility
US 5,613,373 · App. 08/644,484
Process and apparatus for cooling a fluid especially for liquifying natural gas
Inventor:
Maurice Grenier
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: May 10, 1996
Inventor
Maurice Grenier
Assignee (at issue)
Gaz de France-Service National
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.