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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 = '106') AND (category.subclass = '699') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '106'; Subclass is '699';

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T / S Patent Date Description Patentee Category Assigned To
 1911
U 1,009,630 November 21, 1911 Insulating Compound
Insulator composition made of asbestos, flint, and calcium hydrate.		 BARRINGER, Lawrence E.
   General Electric Co.

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