Christian Mollenkamp

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Bunde, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cutting device for creating a slit opening for a buttonhole
- Patent number 6,142,087
- Issue date Nov 7, 2000
- Durkopp Adler AG
- Bernd Pofalla
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Buttonhole sewing machine, with a needle-thread clamp and cutter
- Patent number 5,931,106
- Issue date Aug 3, 1999
- Durkopp Adler Aktiengesellschaft
- Gerd Papajewski
- D05 - SEWING EMBROIDERING TUFTING