Granted Patent
Utility
US 6,649,876 · App. 10/086,188
Methods and apparatuses for automatic process control for firing and biasing heated electrode refrigerant sensors
Inventor:
Dennis Cardinale
Patented Case
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Granted: Nov 18, 2003
Filed: Feb 28, 2002
Inventor
Dennis Cardinale
Assignee (at issue)
Advanced Test Products, 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.