Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568545 | Shipping hanger | — | 2003-05-27 |
| 4396124 | Hanger bar | — | 1983-08-02 |
| 4386009 | Method and system for ethanol production | Michael Chen | 1983-05-31 |
| 4301312 | Method and system for ethanol production | Michael Chen | 1981-11-17 |