|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 = '274') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '264'; Subclass is '274';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||941,032||November 23, 1909||Process of Manufacturing Insulators
Press to mold and produce composition strain insulator
||Press||The Macallen Co.|
|U||1,446,067||February 20, 1923||Method of Connecting Insulator Units
Suspension, method of cementing pin
|REAGAN, Frank H.
||Suspension||Locke Insulator Corp.|
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