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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 = '403') AND (category.subclass = '210') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '403'; Subclass is '210';

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T / S Patent Date Description Patentee Category Assigned To
 1911
U 1,006,040 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
 1912
U 1,028,104 June 4, 1912 Strain Insulator
Strain type
FLETCHER, Olive L.
Strain The Peru Electric Mfg. Co.

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