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Patent applications and USPTO patent grants for Symons; Walter Thomas.The latest application filed is for "exhaust sensor heater circuit for non-calibrated replacement in existing applications".
Patent | Date |
---|---|
Sensor and sensing method Grant 8,658,013 - Wang , et al. February 25, 2 | 2014-02-25 |
Exhaust Sensor Heater Circuit For Non-calibrated Replacement In Existing Applications App 20130270257 - Sarkar; Debabrata ;   et al. | 2013-10-17 |
Gas sensor and method for forming same Grant 7,722,749 - Wang , et al. May 25, 2 | 2010-05-25 |
Sensor and sensing method App 20070125647 - Wang; Da Yu ;   et al. | 2007-06-07 |
Gas sensor and method for forming same App 20070045114 - Wang; Da Yu ;   et al. | 2007-03-01 |
Method of making a sensor and the product produced therefrom Grant 6,800,158 - Polikarpus , et al. October 5, 2 | 2004-10-05 |
Gas sensor electrolyte Grant 6,562,747 - Symons , et al. May 13, 2 | 2003-05-13 |
Method of making a sensor and the product produced therefrom App 20020134487 - Polikarpus, Kaius Kiiren ;   et al. | 2002-09-26 |
Gas sensor electrolyte App 20020108872 - Symons, Walter Thomas ;   et al. | 2002-08-15 |
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