Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194700 | Device with an alteration means for the conversion of an image | Paul de Groot | 2001-02-27 |
| 6147446 | Image converter tube with means of prevention for stray glimmer | — | 2000-11-14 |