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 = '72') AND (category.subclass = '358') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '72'; Subclass is '358';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1909 | ||||||
U | 941,032 | November 23, 1909 | Process of Manufacturing Insulators Press to mold and produce composition strain insulator |
MCCARTHY, Louis |
Press | The Macallen Co. |
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