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 = '142') AND (category.subclass = '24') ORDER BY date DESC, patent, type |
Total of 2 patents found where: Class is '142'; Subclass is '24';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1907 | ||||||
U | 840,369 | January 1, 1907 | Automatic Lathe Insulator pin threading device |
PRINGLE, George W. |
Pin | E. J. Noblett |
1904 | ||||||
U | 751,841 | February 9, 1904 | Thread Cutting Machine Insulator pin threading device |
ENSIGN, George A. |
Pin | Defiance Machine Works |
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