Ibrahim M. Salah

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2503 Biel, CH

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Patents Grantslast 30 patents

Information Patent Grant
Electronic digital display watch having solar and geographical func...
- Patent number 4,479,722
- Issue date Oct 30, 1984
- Ibrahim M. Salah
- G04 - HOROLOGY
Information Patent Grant
Electronic calculation watch with digital display
- Patent number 4,253,169
- Issue date Feb 24, 1981
- Ibrahim M. Salah
- G04 - HOROLOGY