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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 = '65') AND (category.subclass = '157') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '65'; Subclass is '157';

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T / S Patent Date Description Patentee Category Assigned To
 1932
U 1,886,280 November 1, 1932 Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same
Boro-silicate glass, method to make glass to transmit UV light
LOCKE, Fred M.
LOCKE, Fred J.
Boron Corning Glass Works
 1946
U 2,402,387 June 18, 1946 Glass Block Dehydrating Mechanism
Machine for dehydrating glass block halves
FERGUSON, John E.
MCCREERY, Cecil W.
OI Owens-Illinois Glass Co.

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