| 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 = '246') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '65'; Subclass is '246';
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 |
| 1883 | ||||||
| U | 270,526 | January 9, 1883 | Press for Molding Glass Insulator press for molding glass or porcelain. |
WERTS, William |
Press | |
| 1898 | ||||||
| U | 596,652 | January 4, 1898 | Press for Making Insulators Press for making insulators |
BROOKFIELD, Henry M. KRIBS, Seraphin |
Press | William Brookfield |
Total of 0.00 seconds