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Automatic sewing machine for sewing chain stitch seams

Sewing – Stitch forming – Chain or double chain
Patent

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Automatic sewing machine with bobbin support

Sewing – Stitch forming – Hand implements
Patent

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Automatic thread changer

Sewing – Stitch forming – Multiple needle
Patent

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Automatic thread tension control sewing machine

Sewing – Stitch forming – Zigzag
Patent

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Automatic, in situ bobbin spool loading

Sewing – Stitch forming – Revolving-hook type
Patent

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Auxiliary device for sewing up the starting end of a thread chai

Sewing – Stitch forming – Chain or double chain
Patent

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Auxiliary feed mechanism for sewing machines

Sewing – Stitch forming – Feeding work material
Patent

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Auxiliary feed mechanism for sewing machines

Sewing – Stitch forming – Feeding work material
Patent

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Auxiliary feed stitch regulator mechanism

Sewing – Stitch forming – Feeding work material
Patent

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Auxiliary presser foot for engaging a previously formed stitch

Sewing – Stitch forming – Feeding work material
Patent

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Ball bearing looper drive

Sewing – Stitch forming – Blind stitch
Patent

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Battery-operated sewing machine

Sewing – Stitch forming – Hand implements
Reexamination Certificate

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Belt drive material feed control apparatus for sewing machines

Sewing – Stitch forming – Feeding work material
Patent

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Bi-directional feed dog mechanism for sewing machine

Sewing – Stitch forming – Feeding work material
Patent

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Blind stitch mechanism

Sewing – Stitch forming – Blind stitch
Patent

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Blind stitch sewing machine

Sewing – Stitch forming – Blind stitch
Patent

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Blind stitch sewing machine

Sewing – Stitch forming – Blind stitch
Patent

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Blind stitch sewing machine

Sewing – Stitch forming – Blind stitch
Patent

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Blind stitch sewing machine

Sewing – Stitch forming – Blind stitch
Patent

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Blind stitch sewing machine

Sewing – Stitch forming – Blind stitch
Patent

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