SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1852-00-00' AND date < '1853-00-00') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Year is 1852
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1852 | ||||||
U | 8,930 | May 4, 1852 | Improvement in Lightning Rods Lightning rod point made of steel coated with various other metals such as copper, tin, etc. |
SPRATT, James |
Lightning Rod Point | |
U | 9,260 | September 14, 1852 | Improvement in Lightning Rods Lightning rod point made of sections of different metal each melting at a lower temperature out to the tip |
HOMAN, Herman H. |
Lightning Rod Point |
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