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CA1060272A
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Swing-open convertible arm for sewing machine
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US4080913A
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Swing-open convertible arm for sewing machine
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US4099474A
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Convertible open-arm sewing machine
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US4084524A
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Two-step buttonhole mechanism for sewing machine
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US4106418A
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One-step buttonhole mechanism for sewing machine
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US3978802A
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Sewing machine thread tensioner
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US3894499A
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Bobbin thread guide means
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US3796172A
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Sewing machine
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US1556688A
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Motor attachment for sewing machines
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US1441422A
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Sewing-machine-motor control
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US1512984A
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Rheostat
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US1445948A
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Motor attachment for sewing machines
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US1449942A
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Motor attachment for sewing machines
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US1445947A
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Motor attachment for sewing machines
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US1441421A
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Sewing-machine-motor control
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US1445946A
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Motor attachment for sewing machines
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US1586353A
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Spring driving belt
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US1467134A
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Electrically-driven drophead sewing machine
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US1268012A
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Needle-clamp for sewing-machines.
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US1272916A
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Drop-head mechanism for sewing-machines.
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