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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 = '249') AND (category.subclass = '168') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '249'; Subclass is '168';

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T / S Patent Date Description Patentee Category Assigned To
U 191,102 May 22, 1877 Improvement for Glass Molds for Shade-Holders and Shades
Mold for lamp shades
Mold Bennett B. Schneider
U 1,449,808 March 27, 1923 Mold
Machine press to form the glass lid to a dish and the handle knob on top
BOALS, Harry R.
Manufacturing Corning Glass Works

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