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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Defiance Machine Works') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'Defiance Machine Works';

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T / S Patent Date Description Patentee Category Assigned To
 1904
U 751,841 February 9, 1904 Thread Cutting Machine
Insulator pin threading device		 ENSIGN, George A.
 Pin Defiance Machine Works

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