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| Patents for S. H. Merrill | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 10,269 | Nov. 22, 1853 | N.P. Dadman, W.B. Cummings | Machine for Dressing Millstones | |
![]() | 161,287 | Mar. 23, 1875 | A.W. Slayton | Improvement in cutter-heads | |