|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 = '106') AND (category.subclass = '156.23') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '106'; Subclass is '156.23';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||308,778||December 2, 1884||Composition for Making Non-Conducting Handles for Sad-Irons, &c.
Mixture of mica and glue to make solid non-conducting composition handles
|LEE, Charles Tennant
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