Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7492071 | Water-resistant electric motor | Wang Chaohai, Jan Bos | 2009-02-17 |
| 7452018 | Exhaust stack simulator | — | 2008-11-18 |
| D539409 | Exhaust stack simulator | — | 2007-03-27 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7492071 | Water-resistant electric motor | Wang Chaohai, Jan Bos | 2009-02-17 |
| 7452018 | Exhaust stack simulator | — | 2008-11-18 |
| D539409 | Exhaust stack simulator | — | 2007-03-27 |