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

Total of 1 patents found where: Category is 'Protective Coat';

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T / S Patent Date Description Patentee Category Assigned To
 1897
U 592,505 October 26, 1897 Electrical Insulator
Protective coating of elastic material and wire groove protector
BARBOUR, Wellington
Protective Coat  

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