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 = '70') ORDER BY category ASC, date, patent, type |
Total of 1 patents found where: Class is '264'; Subclass is '70';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
Manufacturing | ||||||
U | 2,026,782 | January 7, 1936 | Clay Homogenizing Method and Apparatus Manufacturing method using vibration as the clay is extruded from the pug mill to ensure homogeneity. |
GOUVERNEUR, Minor F. H. |
Manufacturing | Locke Insulator Corp. |
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