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

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

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T / S Patent Date Description Patentee Category Assigned To
U 298,593 May 13, 1884 Insulator
Washer around pin in pinhole
LEWIS, Joseph Slater
Washer 1/2 to William P. Thompson

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