Tulsa, Oklahoma
United States
4
2006-10-10
The entities that hold a legal rights for patent applications filed by inventor Dou Danan:
Danan Dou from Tulsa, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Multiple washcoats on filter substrate
#2 | 2006-03-16NOadsorber diagnostics and automotive exhaust control system utilizing the same
#3 | 2005-08-16NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions
#4 | 2005-01-27Method of making a NOx adsorber catalyst
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