Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884113 | Device and method for minimizing vignetting and stray light in a photographic apparatus | — | 1999-03-16 |
| 5839004 | Device and method for facilitating the focusing of a camera | Per-Johan Nordlund | 1998-11-17 |
| 4896031 | Proximity fuse optical radiation receiver having wedge-shaped damping filter positioned adjacent photocell | Bengt Witt, Ola Knutz | 1990-01-23 |
| 4458147 | Apparatus for evaluating optical signals | Georg Vogl, Bo Moller, Arnold Johansson | 1984-07-03 |