| 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 = '285') AND (category.subclass = '47') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '285'; Subclass is '47';
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 |
| 1905 | ||||||
| U | 789,573 | May 9, 1905 | Insulator Self-tying with metal screw plug in top of crown |
STEINBERGER, Louis |
Self-tying Miscellaneous | |
| 1906 | ||||||
| U | 830,501 | September 11, 1906 | Protecting Bushing for Electric Circuit Wires Bushing with screw threads |
GOEHST, John H. |
Bushing | Federal Electric Co. |
Total of 0.00 seconds