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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 = '146') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '65'; Subclass is '146';

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T / S Patent Date Description Patentee Category Assigned To
U 660,444 October 23, 1900 Device for Fixing Shanks or Screw-Stems in Handle-Knobs or Picture Hangers
Method to hold a screw so glass can be molded around it for handles or picture hangers. Seraphin Kribs worked for Brookfield.
KRIBS, Seraphin

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