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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 = '319') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '403'; Subclass is '319';

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T / S Patent Date Description Patentee Category Assigned To
 1910
U Specimen known 947,274 January 25, 1910 Suspension Device for Insulators
Suspension with ball and socket coupling		 AUSTIN, Arthur O.
 Suspension The Akron Hi-Potential Porcelain Co.
 1923
U 1,441,990 January 9, 1923 Insulator Connector
Connector for the U-bolt links for Hewlett suspension disk		 MARVIN, Richard H.
 Suspension The R. Thomas & Sons Co.
U 1,458,811 June 12, 1923 Insulator Connector
Link for Hewlett suspension disk (see 1,633,399)		 ECKERT, Grandon E.
 Suspension The R. Thomas & Sons Co.

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