|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 = '264') AND (category.subclass = '154') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '264'; Subclass is '154';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||1,697,423||January 1, 1929||Method and Device for Cutting Holes in Insulators
Manufacturing method of cutting holes in Hewlett type suspension disks for links
|GOUVERNEUR, Minor F. H.
||Manufacturing||Locke Insulator Corp.|
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