Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9321657 | Apparatus for treating ballast water with ultraviolet rays, having double wiper structure | Tae-Sung Pyo, Su-Kyu Lee | 2016-04-26 |
| 9272925 | Apparatus for treating ballast water with ultraviolet rays, having square cross-section | Tae-Sung Pyo, Su-Kyu Lee | 2016-03-01 |