Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389996 | Incinerator | Chun-Jen Lu, Chan-Chia Mai, Jen-Feng Wang | 2002-05-21 |
| 5329765 | Exhaust pipe assembly for treating the exhaust of an internal combustion engine | Kong-Ming Mai | 1994-07-19 |
| 5298043 | Filter system for smoke or polluted air | Kung-ming Mai | 1994-03-29 |
| 5074007 | Cleaner for an exhaust pipe | Kung-ming Mai | 1991-12-24 |