Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843571 | Office automation systems | Paulus W. E. Verhelst, Charles Lapoutre, Hendricus W. H. M. Kessels | 1989-06-27 |
| 4771340 | Method and apparatus for printing information | — | 1988-09-13 |