South Korea
2
2011-11-03
2
2013-12-10
These are the the leading inventors for applications assigned to Bookang Tech Co., Ltd.:
Bookang Tech Co., Ltd. based in , KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Wastewater treatment apparatus with two-stage multimedia biological filtration process
#2 | 2007-06-28 ✅ Patent 7,666,305 granted on 2010-02-23Rotor for generating vortex water flow, and filtering apparatus employing the same
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