Search the Insulator Patent Reference Library

Search the Insulator Patent Reference Library:

SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'McKeesport, PA') ORDER BY date ASC, patent, type

Total of 3 patents found where: Residence is 'McKeesport, PA';

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
		1901
U	676,881	June 25, 1901	Self-Locking Insulator and Pin U-376, U-376A, U-376B, U-376C, U-376D	ETHERIDGE, Harry	Insulator
		1908
U	899,859	September 29, 1908	Aerial Trolley Support Metal pole arm to support trolley hanger insulators	BRYAN, James ETHERIDGE, Harry BALSINGER, Edgar McCormack	Hanger
		1940
U	2,202,538	May 28, 1940	Line Conductor Reinforcement and Tie Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending	SELQUIST, Rolf	Tie Wire	Copperweld Steel Co.

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