Granted Patent
Utility
US 6,516,626 · App. 09/833,304
Two-stage refrigeration system
Inventors:
Jeffrey Grant Escobar, Jon A. Hocker, Håkan Ohlsson, John R. Strong
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Apr 11, 2001
Inventors
Jeffrey Grant Escobar
Jon A. Hocker
Håkan Ohlsson
John R. Strong
Assignee (at issue)
FMC CORPORATION
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.