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| Patents for N. F. Stone | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 37,014 | Nov. 25, 1862 | N.F. Stone | Improvement in machines for gumming saws | |
![]() | 54,036 | Apr. 17, 1866 | N.F. Stone | Improved Cutter Grinder | |