Alfred Oetiker

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Fribourg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of masked positive color images by the s...
- Patent number 4,310,617
- Issue date Jan 12, 1982
- Ciba-Geigy AG
- Herbert Mollet
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of masked positive color images by the s...
- Patent number 4,197,123
- Issue date Apr 8, 1980
- Ciba-Geigy AG
- Alfred Oetiker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY