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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '248') AND (category.subclass = '221.11') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '248'; Subclass is '221.11';

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T / S Patent Date Description Patentee Category Assigned To
 1908
U 906,787 December 15, 1908 Insulator Pin
Pin, metal with wood cob and flange to nail to crossarm		 ETTE, Charles G.
 Pin Ette Investment Co.
 1914
U 1,110,495 September 15, 1914 Insulator Support
Pin, pressed metal to form bin and support		 KOBERT, Frank P.
 Pin Barnes & Kobert Mfg. Co.

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