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1780309
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Information
Patent Grant
1780309
References
Source
Patent Number
1,780,309
Date Filed
Not available
Date Issued
Tuesday, November 4, 1930
93 years ago
CPC
D05B3/02 - with mechanisms for needle-bar movement
D05B57/36 - in lock-stitch sewing machines
D05B69/32 - Vibration-minimising devices
US Classifications
112 - Sewing
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