Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809728 | Adjustable water temperature cycling device | Ying-Tze Chen | 1989-03-07 |
| 4805998 | Variable anamorphic lens system | Ying-Tze Chen | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809728 | Adjustable water temperature cycling device | Ying-Tze Chen | 1989-03-07 |
| 4805998 | Variable anamorphic lens system | Ying-Tze Chen | 1989-02-21 |