| 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 = '76') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '76';
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 |
| 1869 | ||||||
| U | 92,551 | July 13, 1869 | Improvement in Lightning Rods Star shaped lightning rod made of 4-edged angle iron with a sheet of copper pressed over the outer surface and then twisted (see reissue 8,429) |
VERMILYA, Leland D. REYBURN, William S. HUNTER, Edmund A. W. |
Lightning Rod | |
| 1875 | ||||||
| U | 161,912 | April 13, 1875 | Improvement in Modes of Forming Sheet Metal Threaded Collars Oil lamp collar |
TAPLIN, Alvin |
HU | |
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