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| Patents for N. F. Stone | |||||
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| Number | Date | Patentee | Title | Type | |
| 37,014 | Nov. 25, 1862 | N.F. Stone | Improvement in machines for gumming saws | saw gummers | |
| 54,036 | Apr. 17, 1866 | N.F. Stone | Improved Cutter Grinder | tool making machines | |