Siegfried Hollmann

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Measuring and controlling the moisture content of hair
- Patent number 4,744,154
- Issue date May 17, 1988
- Wella Aktiengesellschaft
- Heribert Bollinger
- F26 - DRYING
Information Patent Grant
Heat treatment apparatus for heating human hair on the head
- Patent number 4,541,442
- Issue date Sep 17, 1985
- Wella Aktiengessellschaft
- Siegfried Hollmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE