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

Total of 2 patents found where: Category is 'Split';

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T / S Patent Date Description Patentee Category Assigned To
 1870
U 109,879 December 6, 1870 Improvement in Insulators for Telegraph Wires
Split insulator protected by metal cage
DE MONTUFAR, Manuel
Split  
 1890
U 419,642 January 21, 1890 Insulator for Electric Wires
Split ring with split ring holder and lag screw
CORNOG, Isaac P.
Split  

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