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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Threadless') ORDER BY date ASC, patent, type

Total of 1 patents found where: Category is 'Threadless';

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T / S Patent Date Description Patentee Category Assigned To
U 107,303 September 13, 1870 Improvement in Attaching Insulators to Telegraph Poles
Threadless insulator mounted on pin via horizontally inserted keeper pin
STEARNS, Joseph B.

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