| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'JOHNSON') AND (first_name = 'Isaac') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Last Name is 'JOHNSON'; First Name is 'Isaac';
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 |
| 1865 | ||||||
| U | 47,310 | April 18, 1865 | Improvement in Lightning Conductors Lightning rod made up of an iron core and covered with triangular twisted metal |
JOHNSON, Isaac |
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. |
| 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. |
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