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| Patents for James P. Hanson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 293,244 | Feb. 12, 1884 | J.P. Hanson | Log-loader | ||
| 293,245 | Feb. 12, 1884 | J.P. Hanson | Log Jacking Mechanism for Saw Mills | ||