Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877686 | Recording sheet for ink-jet printing and process for its preparation | Claude R. Riou | 1989-10-31 |
| 4689282 | Method and paper for printing by magnetography and documents printed on paper of this type | Claude Richard | 1987-08-25 |