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