Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879196 | Electrophotographic method for reversal or positive-positive image formation | Jozef Antoon Van Biesen, Jan B. Verstringe | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879196 | Electrophotographic method for reversal or positive-positive image formation | Jozef Antoon Van Biesen, Jan B. Verstringe | 1989-11-07 |