|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Split') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Category is 'Split';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||109,879||December 6, 1870||Improvement in Insulators for Telegraph Wires
Split insulator protected by metal cage
|DE MONTUFAR, Manuel
|U||419,642||January 21, 1890||Insulator for Electric Wires
Split ring with split ring holder and lag screw
|CORNOG, Isaac P.
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