|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Tree Insulator') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Category is 'Tree Insulator';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||1,937,764||December 5, 1933||Insulator
Self-tying tree insulator with mounting lag screw and convoluted metal wire clip cemented in the porcelain insulator designed such that the insulator is turned to allow the conductor to be dropped in the slot between the ends of the wire clip and then the
|KYLE, William D.
||Tree Insulator||Line Material Co.|
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