IP Library › Granted Patent US 6,826,471
Granted Patent Utility PCT National Stage
US 6,826,471 · Confirmation No. 4193

METHOD FOR DETERMINING NITROGEN OXIDE CONTENT IN INTERNAL COMBUSTION ENGINE EXHAUST GASES CONTAINING OXYGEN

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Quick Facts
Patent No.
US 6,826,471
App. No.
10/363,321
Filed
2003-08-15
Effective Filing
2003-03-03
Granted
2004-11-30
Pub. No.
US20040050362A1
Art Unit
3747
PTA
-40 days