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Patents for George H. Mansfield | |||||
Number | Date | Patentee | Title | Type | |
102,842 | May 10, 1870 | G.H. Mansfield | Improvement in planing-machines | wood planers | |
119,163 | Sep. 19, 1871 | G.H. Mansfield | Improvement in Planing Machines | metal planers |