Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505561 | Multi-image camera | Leo H. J. F. Beckman | 1985-03-19 |
| 4266129 | Device for viewing residual light in the visible and the near infrared spectrum | Frits J. Versteeg | 1981-05-05 |
| 4253028 | Device for positioning X-ray films and intensifying screens | Frank Gustaaf Debruin | 1981-02-24 |