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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 = '23') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '65'; Subclass is '23';

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T / S Patent Date Description Patentee Category Assigned To
 1884
U 301,329 July 1, 1884 Plunger for Pressing Glass
Insulator press with a plunger made of plaster of Paris
BECK, Washington
Press  
 1905
U 807,459 December 19, 1905 Process of Forming Glass Articles
Threading process using fusible metal to form threads in glass before it melts
HARLOE, Morton
Threads 1/3 to Harry P. Decker

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