Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D412520 | Roll film flat bed scanner | Karl Preis | 1999-08-03 |
| 5280370 | Apparatus and method for scanning by means of a rotatable detector array | Hans W. Faust, Karl Felle, Dierk Hobbie, Richard J. Kaiser, Robert L. Kuelthau +2 more | 1994-01-18 |
| 4942415 | Shutter for a photogrammetric camera | Karl Felle | 1990-07-17 |