Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819034 | Method and microfilm camera for detecting codes applied to original copies in the camera | Manfred Weinzierl | 1989-04-04 |
| 4757352 | Method of monitoring the picture taking of originals in a microfilm camera and a microfilm camera for carrying out the method | Manfred Weinzierl | 1988-07-12 |
| 4564276 | Microfilm sensing device with a projection lamp and cold-light mirror | Wilfried Hofmann, Herbert Lusch, Walter Rauffer, Jurgen Sylla | 1986-01-14 |
| 4349730 | Data processing device for reading and processing visually observable information present on a data carrier | Josef Pfeifer, Rudolf Paulus | 1982-09-14 |