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 = '428') AND (category.subclass = '454') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '428'; Subclass is '454';

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
		1942
U	2,281,173	April 28, 1942	Insulator and Method of Producing Conducting Coating Thereon RFI prevention using an inexpensive glaze coating	SANTOMIERI, Sebastian L.	RFI	Victor Insulators, Inc.
		1945
U	2,389,386	November 20, 1945	Glazed Ceramic Compression glaze	RUSSELL, JR., Ralston	Glaze	Westinghouse Electric Corp.
		1948
U	2,434,555	January 13, 1948	Electrical Insulator Method of soldering metal fittings on porcelain bushings made of ""Prestite"".	FISCHER, Eugene H. HARNISH, John D. RUSSELL, JR., Ralston	Manufacturing	Westhinghouse Electric Corp.

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