For the Inventor, By the Inventor

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Petit-Lancy, Switzerland

Wella International Operations Switzerland

USPTO Granted Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

David Sarro (1 out of 3 patents)

Franziska Eekhoff (1 out of 1 patent)

Dominik Hess (1 out of 1 patent)

4. Stephanie Sitterberg-muehlthau (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 12364660 - Granulated hair dye composition (2025-07-22),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5 in Petit-Lancy

#7,586 in Switzerland

Petit-Lancy, Switzerland

Wella International Operations Switzerland

Forward Citations = 0

4 inventors:

David Sarro (1 out of 3 patents)

Franziska Eekhoff (1 out of 1 patent)

Dominik Hess (1 out of 1 patent)

4. Stephanie Sitterberg-muehlthau (1 out of 1 patent)

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