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Patent applications and USPTO patent grants for CHEONG; Young-wook.The latest application filed is for "apparatus and system for treating acid mine drainage using electrochemical reaction".
Patent | Date |
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Apparatus And System For Treating Acid Mine Drainage Using Electrochemical Reaction App 20160244344 - PARK; Sang-min ;   et al. | 2016-08-25 |
Oxidation Pond Including Neutralizing Agent For Treating Acid Mine Drainage App 20120160751 - LEE; Dong-Kil ;   et al. | 2012-06-28 |
Oxidation Pond Including Baffles For Treating Acid Mine Drainage App 20120160752 - LEE; Dong-Kil ;   et al. | 2012-06-28 |
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