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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 = '174') AND (category.subclass = '163R,174') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '174'; Subclass is '163R,174';

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T / S Patent Date Description Patentee Category Assigned To
 1926
U Specimen known 1,585,718 May 25, 1926 Mounting
Improved angle mount for Three-E multipart insulators		 JACOBS, Ernest H.
 Multipart Electrical Engineers Equipment Co.

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