Granted Patent
Utility
US 6,185,944 · App. 09/246,080
Refrigeration system with a compressor-pump unit and a liquid-injection desuperheating line
Inventor:
Christopher Gaul
Patented Case
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Granted: Feb 13, 2001
Filed: Feb 5, 1999
Inventor
Christopher Gaul
Assignee (at issue)
Midwest Research Institute, 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.