|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 = '285') AND (category.subclass = '192') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '285'; Subclass is '192';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||830,501||September 11, 1906||Protecting Bushing for Electric Circuit Wires
Bushing with screw threads
|GOEHST, John H.
||Bushing||Federal Electric Co.|
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