Vancouver
Canada
2
2013-06-27
The entities that hold a legal rights for patent applications filed by inventor Warkentin Douglas:
Douglas Warkentin from Vancouver, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
SULFIDE GENERATION VIA BIOLOGICAL REDUCTION OF DIVALENT,TETRAVALENT OR PENTAVALENT SULFUR CONTAINING COMBUSTION FLUE GAS OR LIQUOR
#2 | 2012-08-16Processing of manganous sulphate/dithionate liquors derived from manganese resource material
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