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

Total of 1 patents found where: Category is 'Service Drop/spool';

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T / S Patent Date Description Patentee Category Assigned To
 1950
U Specimen known 2,517,221 August 1, 1950 Secondary and Service Rack Insulator
Knob - specimens exist called ""pencil holder""		 LOUX, Raymond A.
 Service Drop/spool  

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