Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859565 | Diffusion transfer reversal process | Robert J. Pollet, Leon L. Vermeulen | 1989-08-22 |
| 4859566 | Image-receiving material | — | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859565 | Diffusion transfer reversal process | Robert J. Pollet, Leon L. Vermeulen | 1989-08-22 |
| 4859566 | Image-receiving material | — | 1989-08-22 |