| 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 = '264') AND (category.subclass = '335') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '264'; Subclass is '335';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1929 | ||||||
| U | 1,717,996 | June 18, 1929 | Means for and Method of Making Insulators Press method of molding porcelain insulator with vibration improves quality (Hewlett) |
MOORE, JR., Stewart L. |
Press | Locke Insulator Corp. |
| 1959 | ||||||
| U | 2,898,658 | August 11, 1959 | Manufacture and Apparatus for the Manufacture of Ceramic Ware Method of removing water through conduits in the mold when plastic clay is pressed in a mold. |
HARRY, William R. |
Mold | McGraw-Edison Co. |
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