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Franz Hannemann
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Detmold, DE
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last 30 patents
Information
Patent Grant
Sewing machine belt feeder with tensioner
Patent number
4,417,535
Issue date
Nov 29, 1983
Durkoppwerke GmbH
Franz Hannemann
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Movable workpiece-clamping attachment for sewing machine
Patent number
4,258,637
Issue date
Mar 31, 1981
Durkoppwerke GmbH
Franz Hannemann
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Sewing-machine guide for edge-parallel seaming of a workpiece
Patent number
4,227,471
Issue date
Oct 14, 1980
Durkoppwerke GmbH Bielefeld
Harald Collbrunn
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Fabric-feed control for sewing machine
Patent number
4,104,977
Issue date
Aug 8, 1978
Durkoppwerke GmbH
Konrad Pollmeier
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Feed device for flexible workpieces, especially for a sewing machine
Patent number
4,102,280
Issue date
Jul 25, 1978
Durkoppwerke GmbH
Franz Hannemann
D05 - SEWING EMBROIDERING TUFTING