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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 = '156') AND (category.subclass = '295') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '156'; Subclass is '295';

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T / S Patent Date Description Patentee Category Assigned To
 1925
U 1,558,498 October 27, 1925 Method of Making Insulators
Multipart, cementing of sections (see Pinco catalog page 3)		 PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
 Multipart The Porcelain Insulator Corp.

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