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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