| 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 = '30.1') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '65'; Subclass is '30.1';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1933 | ||||||
| U | 1,923,221 | August 22, 1933 | Process of Melting Glass Boro-silicate glass, method to make colorless by using graphite pot |
LOCKE, Fred M. LOCKE, Fred J. |
Boron | Corning Glass Works |
| 1952 | ||||||
| U | 2,596,694 | May 13, 1952 | Glass Welding Method Method of welding glass block and TV Tube halves together |
KEGG, Robert R. |
OI | Owens-Illinois Glass Co. |
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