| 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 = '65') AND (category.subclass = '308') ORDER BY description ASC, date, patent, type |
Total of 2 patents found where: Class is '65'; Subclass is '308';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1932 | ||||||
| U | 1,844,549 | February 9, 1932 | Glass Working Machine Press for making glass insulators |
HEADLEY, Benjamin T. DU BOIS, David Irvin KOOB, Bernard H. LOBB, Frank H. |
Press | Whitall Tatum Co. |
| 1897 | ||||||
| U | 588,795 | August 24, 1897 | Glass Press Press for making insulators |
HEMINGRAY, Ralph G. |
Press | |
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