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Patent applications and USPTO patent grants for Won; Se Yeon.The latest application filed is for "apparatus and method for anaerobic wastewater treatment with membrane".
Patent | Date |
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Apparatus and method for anaerobic wastewater treatment with membrane Grant 9,067,809 - Song , et al. June 30, 2 | 2015-06-30 |
River water purification apparatus and method using treatment soil layer and permeable filtering medium layer Grant 8,721,886 - Ahn , et al. May 13, 2 | 2014-05-13 |
Apparatus And Method For Anaerobic Wastewater Treatment With Membrane App 20140124439 - SONG; Kyung Guen ;   et al. | 2014-05-08 |
River Water Purification Apparatus And Method Using Treatment Soil Layer And Permeable Filtering Medium Layer App 20110100905 - AHN; Kyu Hong ;   et al. | 2011-05-05 |
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