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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 = '411') AND (category.subclass = '914') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '411'; Subclass is '914';

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T / S Patent Date Description Patentee Category Assigned To
 1933
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm		 PLIMPTON, Bentley A.
HAWLEY, Kent A.
 Pin Locke Insulator Corp.

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