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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 = '249') AND (category.subclass = '160') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '249'; Subclass is '160';

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T / S Patent Date Description Patentee Category Assigned To
 1910
U Specimen known 952,279 March 15, 1910 Mold in Which to Form Plastic Articles
Mold to form a slotted-top, twist-lock, self-tying glass insulator (see 707,429) (see design 35,462)		 ROBERTS, Linas P.
 Mold 1/3 to Hayes McGibbeny

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