Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9926044 | Full contact pontoon floating deck | — | 2018-03-27 |
| 8646642 | Floating cover roof for a storage tank | — | 2014-02-11 |
| 8640903 | Oil tank floating roof device | Ming-Tsang Yu, Wen-Pin Pen | 2014-02-04 |