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 = '307') ORDER BY assigned_to ASC, date, patent, type |
Total of 3 patents found where: Class is '65'; Subclass is '307';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
U | 622,270 | April 4, 1899 | Machine for Making Hollow Glassware Glass Press that can be adapted for insulator manufacture |
ROWE, John T. |
Misc | |
Owens-Illinois Glass Co. | ||||||
U | 2,975,554 | March 21, 1961 | Press Mold and Method of Operation Insulator press for CD 1049 |
STUTSKE, William A. TOROK, Julius J. |
Press | Owens-Illinois Glass Co. |
Whitall Tatum Co. | ||||||
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. |
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