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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 = '209') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '403'; Subclass is '209';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,206,158 November 28, 1916 Safety Strain Insulator
Suspension made of Electrose with special interlocking links
STEINBERGER, Louis
Suspension  
 1918
U Specimen known 1,284,974 November 19, 1918 Strain Insulator
Strain, guy insulator attachment
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
 1935
U 1,998,406 April 16, 1935 Insulator Suspension Hardware
Links for Hewlett type suspension disks
GOUVERNEUR, Minor F. H.
Suspension Locke Insulator Corp.

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