Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

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 = '248') AND (category.subclass = '546') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '248'; Subclass is '546';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S	Patent	Date	Description	Patentee	Category	Assigned To
		1898
U	602,576	April 19, 1898	Bracket for Insulators, etc. Bracket to be driven into wooden pole	FLETCHER, John R.	Bracket
		1908
U	877,242	January 21, 1908	Insulator Pin Pin with metal shank and bolt	SNAPP, Delos V. FRAHER, Charles W.	Pin
		1910
U	964,376	July 12, 1910	Insulator Support Bracket for pin that clamps around crossarm	BLACKBURN, Jasper	Bracket

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