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 = '285') AND (category.subclass = '382') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '285'; Subclass is '382';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1870 | ||||||
U | 99,381 | February 1, 1870 | Improvement in Lightning Rods Square hollow lightning rod connected with square plug that fits inside the ends and secured by crimping with a punch |
WEST, J. D. |
Lightning Rod | |
1873 | ||||||
U | 139,841 | June 10, 1873 | Improvement in Coupling Tubular Lightning Rods Means of coupling tubular lightning rods |
WESTON, James H. |
Lightning Rod | |
U | 145,641 | December 16, 1873 | Improvement in Couplings for Tubular Lightning Rods Means of coupling tubular lightning rods |
FRITSCH, Joseph W. |
Lightning Rod | |
1875 | ||||||
U | 170,377 | November 23, 1875 | Improvement in Lightning Rods Coupling for hollow lightning rods composed of a hollow indented plug that fits into indentions in the rod ends |
JOHNSON, Isaac |
Lightning Rod Coupling | |
1876 | ||||||
U | 173,962 | February 22, 1876 | Improvement in Couplings for Tubing and Lightning Rods Coupling made of a short hollow piece placed inside both ends of the rod and crimped down through the rod ends to secure the sections |
JOHNSON, Isaac |
Lightning Rod Coupling | Reyburn, Hunter & Co. |
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