| 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 = '228') AND (category.subclass = '124.1') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '228'; Subclass is '124.1';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1932 | ||||||
| U | 1,852,093 | April 5, 1932 | Article of Manufacture and Process of Making It RFI metallic coating and process of applying it to porcelain insulators |
SMEDE, Lloyd SHAND, Errol B. |
RFI | Westinghouse Electric & Mfg. Co. |
| 1941 | ||||||
| U | 2,230,205 | January 28, 1941 | Process of Connecting a Metal Body to a Vitreous Ceramic Body Metallic coating to facilitate soldering metal parts onto the insulator |
ROWLAND, Davidge H. CROSKEY, Carl D. |
Miscellaneous | Locke Insulator Corp. |
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