|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 = '317') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '264'; Subclass is '317';
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||1,679,345||August 7, 1928||Method and Apparatus for Casting Ceramic Pieces
Manufacturing method of casting bushings with a hollow core
|AUSTIN, Arthur O.
||Manufacturing||The Ohio Brass Co.|
Total of 0.01 seconds