|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 = '411') AND (category.subclass = '516') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '411'; Subclass is '516';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||775,812||November 22, 1904||Insulator Support
Pin design made from sheet metal with partial threads on one side
|FAIRBANKS, Ernest Hayward
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