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

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

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T / S Patent Date Description Patentee Category Assigned To
 1928
U Specimen known 1,688,411 October 23, 1928 Electrical Insulator
Crown cable & tie wire groove arced to reduce stress from wire/cable		 COOK, William S.
 Crown  

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