|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 = '521') AND (category.subclass = '122') ORDER BY patent DESC, type|
Total of 1 patents found where: Class is '521'; Subclass is '122';
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||2,514,141||July 4, 1950||Polyester Resin Adhesive Compositions
Cement composed of polyester resin and sand for attaching metal parts to suspension and other insulators
|PHILLIPS, Dorothea S.
||Cement||American Cyanamid Co.|
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