Gerhard Ruf

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Karlsruhe, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sewing machine with a balance wheel
- Patent number 6,138,593
- Issue date Oct 31, 2000
- G.M.Pfaff Aktiengesellschaft
- Jurgen Schwarz
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine housing construction
- Patent number 4,700,645
- Issue date Oct 20, 1987
- Dorina Nahmaschinen GmbH
- Joseph Kefer
- D05 - SEWING EMBROIDERING TUFTING