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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 = '16') AND (category.subclass = '109') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '16'; Subclass is '109';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,205,812 November 21, 1916 Strain Insulator
Suspension made of Electrose similar to Hewlett with interlocking links		 STEINBERGER, Louis
 Suspension  

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