Rolf Ellermann

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Bielefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Knee-operated switch for a working machine, especially a sewing mac...
- Patent number 5,939,687
- Issue date Aug 17, 1999
- Durkopp Adler Aktiengellschaft
- Rolf Ellermann
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Servo device for a multineedle sewing machine with engageable and d...
- Patent number 4,815,404
- Issue date Mar 28, 1989
- Durkoppwerke GmbH
- Rolf Ellermann
- D05 - SEWING EMBROIDERING TUFTING