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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Joseph A. Jeffrey') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'Joseph A. Jeffrey';

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T / S Patent Date Description Patentee Category Assigned To
 1894
U Specimen known 526,498 September 25, 1894 Conductor Support and Insulator
Jeffrey Mine insulator (CD 185)		 OSYOR, David N.
 Mine Joseph A. Jeffrey

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