Georg Trondle

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Constance, DE

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Patents Grantslast 30 patents

Information Patent Grant
Self-adjusting presser foot for sewing machines
- Patent number 4,643,116
- Issue date Feb 17, 1987
- Fritz Gegauf AG Bernina-Nahmaschinenfabrik
- Christian Ulmer
- D05 - SEWING EMBROIDERING TUFTING