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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '144') AND (category.subclass = '237') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '144'; Subclass is '237';

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T / S Patent Date Description Patentee Category Assigned To
 1907
U 840,369 January 1, 1907 Automatic Lathe
Insulator pin threading device
PRINGLE, George W.
Pin E. J. Noblett

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