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Patents for Thomas Ham | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 101,650 | Apr. 05, 1870 | H. Nelson | Improvement in machine for crozing barrels | |
![]() | 274,886 | Mar. 27, 1883 | J.S. Perkins, J.M. Cook | Lag-bed planer |