Austin, Texas
United States
2
2012-12-20
The entities that hold a legal rights for patent applications filed by inventor Steen William A.:
William A. Steen from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for preventing re-emission of mercury from a flue gas desulfurization system
#2 | 2011-10-27Method for preventing re-emission of mercury from a flue gas desulfurization system
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