Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911179 | Dual-derrick ice-worthy jack-up drilling unit | Peter G. Noble, Randall S. Shafer, Dominique P. Berta, Tak On Cheung, Kok Seng Foo +2 more | 2014-12-16 |
| 8888410 | Modular heavy lift system | Tak On Cheung | 2014-11-18 |