Frankl & Kirchner GmbH

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Schwetzingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rotary speed ratio control for a multiple rotary drive system for a...
- Patent number 4,707,643
- Issue date Nov 17, 1987
- Frankl & Kirchner GmbH
- Gustav Rohr
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Device for detecting an overlapping edge of material on a sewing ma...
- Patent number 4,696,246
- Issue date Sep 29, 1987
- Frankl & Kirchner GmbH
- Gustav Rohr
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Contactless synchronizer for sewing machines
- Patent number 3,990,374
- Issue date Nov 9, 1976
- Frankl & Kirchner
- Alfred Heidt
- D05 - SEWING EMBROIDERING TUFTING

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