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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 = '81') AND (category.subclass = '124.1') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '81'; Subclass is '124.1';

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T / S Patent Date Description Patentee Category Assigned To
 1903
U 735,429 August 4, 1903 Insulator Machine
Plunger for press		 WATERS, James
 Plunger  

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