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John H. Blum
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Cold Brook, NY, US
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last 30 patents
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Patent Grant
Skipped stitch detector for chain stitch sewing machines
Patent number
4,102,283
Issue date
Jul 25, 1978
Cluett, Peabody & Co., Inc.
John L. Rockerath
D05 - SEWING EMBROIDERING TUFTING