| 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 = '403') AND (category.subclass = '174') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '403'; Subclass is '174';
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 |
| 1865 | ||||||
| U | 49,633 | August 29, 1865 | Joints of Lightning Rods Joint or coupling for tubular lightning rod that slips over the rod and secured with a screw |
KING, L. |
Lightning Rod Coupling | |
| 1907 | ||||||
| U | 873,154 | December 10, 1907 | Two Male T Lightning rod ""T"" coupling |
MILLER, George A. |
Lightning Rod Coupling | St. Louis Lightning Rod Co. |
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