Granted Patent
Utility
US 6,295,833 · App. 09/591,654
Closed loop single mixed refrigerant process
Inventors:
Shawn D. Hoffart, Brian C. Price
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Jun 9, 2000
Inventors
Shawn D. Hoffart
Brian C. Price
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.