SUNG IL EN-TECH CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for SUNG IL EN-TECH CO., LTD..The latest application filed is for "hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water".
- SUNG IL EN-TECH CO., LTD. - Gyeongsangnam-Do KR
| Patent | Date |
|---|---|
| Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water Grant 9,221,698 - Kim , et al. December 29, 2 | 2015-12-29 |
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