Wichmann; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wichmann; Ralf.The latest application filed is for "process for processing chemicals".
- Wichmann; Ralf - Gladbach DE
- Wichmann; Ralf - Bergisch-Gladbach DE
| Patent | Date |
|---|---|
| Photographic chemicals bundle Grant 7,160,674 - Wichmann January 9, 2 | 2007-01-09 |
| Pack for processing chemicals Grant 6,951,276 - Danner , et al. October 4, 2 | 2005-10-04 |
| Process for processing chemicals App 20050167298 - Danner, Hans-Dieter ; et al. | 2005-08-04 |
| Package for photographic processing chemicals App 20050133533 - Wichmann, Ralf ; et al. | 2005-06-23 |
| Package for photographic processing chemicals App 20050133530 - Wichmann, Ralf ; et al. | 2005-06-23 |
| Photographic chemicals bundle App 20050048420 - Wichmann, Ralf | 2005-03-03 |
| Bleach bath Grant 6,824,965 - Wichmann , et al. November 30, 2 | 2004-11-30 |
| Colour photographic developing concentrate App 20040023168 - Wichmann, Ralf ; et al. | 2004-02-05 |
| Pack for processing chemicals App 20020117416 - Danner, Hans-Dieter ; et al. | 2002-08-29 |
| Bleach bath App 20020037482 - Wichmann, Ralf ; et al. | 2002-03-28 |
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