4. Sewing
  5. Stitch forming
  6. Chain or double chain

Hsien-Chang Tseng

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Looper driving assembly for a sewing machine

Sewing – Stitch forming – Chain or double chain
Patent

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Needle plate with movable tongues for sewing machine

Sewing – Elements – Frames
Patent

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Overlock sewing machine

Machines not elsewhere specified – Textile – sewing – knitting and embroidering machine – Sewing machine
Patent

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Overlock sewing machine

Machines not elsewhere specified – Textile – sewing – knitting and embroidering machine – Sewing machine
Patent

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Pressure adjustment structure for a presser foot of a sewing...

Sewing – Elements – Presser devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-144493

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