Gerhard Kempf

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Arbon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Doubling machine
- Patent number 4,693,069
- Issue date Sep 15, 1987
- Sulzer Brothers Ltd.
- Christian Imhof
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Electronically controlled system for making a multiply effect yarn
- Patent number 4,276,739
- Issue date Jul 7, 1981
- Evolution S.A.
- Gerhard Kempf
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING