Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799394 | Apparatus for sealing a vacuum chamber | — | 2004-10-05 |
| 6303006 | System and method for distilling liquid | Chia-Wei Chang, Charlie Chang | 2001-10-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799394 | Apparatus for sealing a vacuum chamber | — | 2004-10-05 |
| 6303006 | System and method for distilling liquid | Chia-Wei Chang, Charlie Chang | 2001-10-16 |