|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 = '264') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '264'; Subclass is '264';
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||1,657,922||January 31, 1928||Method of Assembling Insulators
Sprayed coating of metal or asphalt with heat treatment to improve cement joint
|GODDARD, Walter T.
||Cement||Locke Insulator Corp.|
|U||1,816,023||July 28, 1931||Method of Manufacturing Insulators
Method of assembling multipart insulators with wet cement and maintaining an ambient humidity and simulataneously cooling down.
|OSBORNE, David Henry
||Manufacturing||Electric Service Supplies Co.|
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