Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976772 | Bleach-fixing bath for color photographic material | Thomas Hubsch, Ralf Weimann, Angelika Scholkmann | 1999-11-02 |
| 4987058 | Photographic processing method | Gustav Tappe, Heinz Meckl | 1991-01-22 |
| 4855216 | No-rinse photographic processing method and the stabilizing bath used for this method | Heinz Meckl, Gunter Renner | 1989-08-08 |
| 4664799 | Receiver for purifying liquids | Wilhelm Eder, Heinz Meckl | 1987-05-12 |