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 LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '65') AND (category.subclass = '260') ORDER BY last_name ASC, first_name, date, patent, type

Total of 8 patents found where: Class is '65'; Subclass is '260';

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
		BROOKFIELD, Henry M.
U	835,236	November 6, 1906	Press for Making Insulators or Similar Articles Press for making insulators	BROOKFIELD, Henry M.	Press
		CROSKEY, John H.
U	820,478	May 15, 1906	Apparatus for Manufacturing Glass Articles Press for making glassware	CROSKEY, John H.	Press	Duquesne Glass Co.
		DU BOIS, David Irvin
U	2,052,343	August 25, 1936	Plastic Forming Apparatus Insulator press	DU BOIS, David Irvin	Press	Whitall Tatum Co.
		ELDRED, John W.
U	2,811,815	November 5, 1957	Continuous Glass Molding Machine Insulator press	ELDRED, John W.	Press
		HEADLEY, Benjamin T. DU BOIS, David Irvin KOOB, Bernard H. LOBB, Frank H.
U	1,844,549	February 9, 1932	Glass Working Machine Press for making glass insulators	HEADLEY, Benjamin T. DU BOIS, David Irvin KOOB, Bernard H. LOBB, Frank H.	Press	Whitall Tatum Co.
		KRIBS, Seraphin
U	835,245	November 6, 1906	Press for Making Glass Insulators or Similar Glass Articles Press for making insulators	KRIBS, Seraphin	Press	Henry M. Brookfield
		OLSEN, Sigward
U	1,049,594	January 7, 1913	Press for Molding Insulators or Similar Articles Press for making glass insulators	OLSEN, Sigward	Press	Brookfield Glass Co.
		ROEHRICH, Frank N.
U	1,136,275	April 20, 1915	Press for Making Glass Insulators Press for making glass insulators	ROEHRICH, Frank N.	Press	Brookfield Glass Co.

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