Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655918 | Apparatus for cleaning waste water | — | 1987-04-07 |
| 4592641 | Image transfer device | Johannes C. M. Roelofs, Petrus A. M. Geurts | 1986-06-03 |
| 4585352 | System for measuring the optical density of both the background and the image areas of an original | Willem G. J. Ritzerfeld | 1986-04-29 |
| 4526461 | Copying machine control system | — | 1985-07-02 |
| 4516019 | Light detector circuit | Hendrikus J. van Esch | 1985-05-07 |
| 4510266 | Stepping motor controller | — | 1985-04-09 |
| 4505820 | Method for cleaning waste water | — | 1985-03-19 |
| 4478405 | Position control for recycled originals in a copying apparatus | Arie Leppink | 1984-10-23 |