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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 = '425') AND (category.subclass = '436R') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '425'; Subclass is '436R';

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T / S Patent Date Description Patentee Category Assigned To
 1959
U 2,915,801 December 8, 1959 Apparatus for Forming Plastic Clay Bodies
Mold and pressing operation to eliminate the need to plunge and trim a suspension disk		 HARRY, William R.
 Mold McGraw-Edison Co.

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