| 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 = '214') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '425'; Subclass is '214';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1895 | ||||||
| U | 533,212 | January 29, 1895 | Combined Jigger and Pulldown Press or jigger gearing and mechanism for forming earthen ware articles such as dishes and pottery |
CROSSLEY, Joseph |
Press | |
| 1928 | ||||||
| U | 1,663,329 | March 20, 1928 | Forming and Tapping Machine Machine to form threads in plastic clay bodies |
AUSTIN, Arthur O. |
Manufacturing | The Ohio Brass Co. |
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