Granted Patent
Utility
US 6,255,653 · App. 09/695,267
Diffusion-type NDIR gas analyzer with improved response time due to convection flow
Inventor:
Andrian Kouznetsov
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Oct 24, 2000
Inventor
Andrian Kouznetsov
Assignee (at issue)
Engelhard Sensor 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.