Granted Patent
Utility
US 6,330,811 · App. 09/606,088
Compression system for cryogenic refrigeration with multicomponent refrigerant
Inventors:
Bayram Arman, Dante Patrick Bonaquist
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Jun 29, 2000
Inventors
Bayram Arman
Dante Patrick Bonaquist
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.