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