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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 = '296') AND (category.subclass = '29') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '296'; Subclass is '29';

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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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