Granted Patent
Utility
US 6,442,963 · App. 09/887,277
Non-condensable purge technique using refrigerant temperature offset
Inventors:
Dean P. Pfefferle, Michael B. Meeker, Larry G. Moller
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jun 22, 2001
Inventors
Dean P. Pfefferle
Michael B. Meeker
Larry G. Moller
Assignee (at issue)
Snap-On Technologies, 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.