| 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 = '36') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '36';
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 |
| 1856 | ||||||
| U | 15,491 | August 5, 1856 | Improvement in Lightning Rods Lightning rod made of tubular metal with fins |
MUNSON, David |
Lightning Rod | |
| 1925 | ||||||
| U | 1,538,946 | May 26, 1925 | Lightning Rod Connector Lightning rod with Y-shaped connector pressed out of sheet metal, folded in half around the conductor, and halves secured together by bending over the metal tabs |
MOORE, Ira M. |
Lightning Rod | |
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