4. Sewing
  5. Elements
  6. Frames

Boleslaw Kornatowski

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Automatic bobbin winding system

Sewing – Stitch forming – Revolving-hook type
Patent

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Combination handwheel and handwheel clutch for sewing machines

192 clutches and power-stop control – Clutches – Axially engaging
Patent

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Convertible bed for a sewing machine

Sewing – Elements – Frames
Patent

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Elastomeric molded strain relief

Electricity: conductors and insulators – Conduits – cables or conductors – Single duct conduits
Patent

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Foot controller

Electrical resistors – Mechanically variable – Surfaces pressed together
Patent

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Profile ID: LFUS-PAI-P-218671

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