| 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 = '174') AND (category.subclass = '130') ORDER BY date ASC, patent, type |
Total of 3 patents found where: Class is '174'; Subclass is '130';
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 |
| 1860 | ||||||
| U | 30,560 | November 6, 1860 | Improvement in Lightning Rods Lightning rod made up of continuous strips or tubes of metal |
BRITTAN, N. |
Lightning Rod | |
| 1876 | ||||||
| U | 173,963 | February 22, 1876 | Improvement in Lightning Rods Lightning rod with solid supporting rod fitted inside and screwed into the rod coupling on each end |
JOHNSON, Isaac PRICE, David A. |
Lightning Rod | Reyburn, Hunter & Co. |
| R | 7,063 | April 18, 1876 | Improvement in Lightning Conductors, Rods, or Cables Lightning rod conductor made of wires twisted together and wrapped and twisted around a metal tube (see 120,457) |
PRESTON, Othniel |
Lightning Rod | |
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