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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 = '326') ORDER BY last_name ASC, first_name, date, patent, type

Total of 3 patents found where: Class is '65'; Subclass is '326';

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T / S Patent Date Description Patentee Category Assigned To
 BROOKFIELD, Henry M.
U 836,297 November 20, 1906 Apparatus for Making Glass Insulators or Other Similar Glass Articles
Press, fully automatic operation: glass flow apparatus for measuring molten glass
BROOKFIELD, Henry M.
Press  
U 883,779 April 7, 1908 Glass Furnace and Appurtenances Thereof
Furnace for making glass insulators. Covers elements of patents 836,297 and 836,298.
BROOKFIELD, Henry M.
Furnace Brookfield Glass Co.
U 889,354 June 2, 1908 Process for Feeding Molten Glass for Making Glass Insulators or Similar Articles
Process for feeding molten glass to the press
BROOKFIELD, Henry M.
Process Brookfield Glass Co.

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