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 = '248') AND (category.subclass = '536') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '248'; Subclass is '536';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1875 | ||||||
U | 163,807 | May 25, 1875 | Improvement in Lightning Rod Standards Lightning rod stand with three legs |
REYBURN, William S. MARTIN, Frederick J. |
Lightning Rod | |
1884 | ||||||
U | 293,612 | February 12, 1884 | Lightning Diffuser Lightning rod with special bracket to hold the rod away from the building |
WOOLLEY, Leonidas G. |
Lightning Rod | |
1910 | ||||||
U | 950,181 | February 22, 1910 | Lightning Rod Support Lightning rod tripod support |
MAHER, Jeremiah J. |
Lightning Rod | |
1911 | ||||||
U | 995,638 | June 20, 1911 | Brace for Lightning Rod Tops Lightning rod tripod to support rod with ball ornament |
SHINN, William C. |
Lightning Rod | |
1915 | ||||||
U | 1,140,582 | May 25, 1915 | Bracket for Lightning Rod Points Support or bracket for lightning rod point made of flat copper that can be easily bent for installation |
DODD, Thomas W. |
Lightning Rod | Dodd & Struthers |
1924 | ||||||
U | 1,513,931 | November 4, 1924 | Lightning Rod Point Support Lighting rod with supporting feet for tiled roof peaks that fit over ridge tiles and under the tile edges |
REA, Ernest C. |
Lightning Rod |
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