Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869361 | Collecting device for polyethylene-sheet calendar manufacturing machine | Jau N. You | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869361 | Collecting device for polyethylene-sheet calendar manufacturing machine | Jau N. You | 1989-09-26 |