Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831386 | Powdered substance for lubricating the recording carrier or a magnetic printer | Bernard Cherbuy, Jacques Estavoyer | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831386 | Powdered substance for lubricating the recording carrier or a magnetic printer | Bernard Cherbuy, Jacques Estavoyer | 1989-05-16 |