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 = '361') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '425'; Subclass is '361';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1908 | ||||||
U | 894,623 | July 28, 1908 | Apparatus for Molding Porcelain Ware Press for molding small dry process insulators such as nail-knobs, etc. |
GEISENHONER, Henry |
Press | General Electric Co. |
1924 | ||||||
U | 1,488,474 | April 1, 1924 | Machine for Molding Insulators Press and molding machine for porcelain insulators |
BURNS, James A. |
Press | Westinghouse Electric & Mfg. Co. |
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