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| Patents for George W. Jackman | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 306,491 | Oct. 14, 1884 | G.W. Jackman | Screw holding screwdriver | |
 | 306,492 | Oct. 14, 1884 | G.W. Jackman | Improvement in Screws | |
| 2,641,047 | Jun. 09, 1953 | G.W. Jackman | Cutting Tool | ||