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| Patents for Alvan A. Simonds | |||||
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| Number | Date | Patentee | Title | Type | |
| 150,625 | May 05, 1874 | J.A. Ferson, G.F. Simonds | Tempering and Forming Articles of Steel | tool making machines | |
| 151,167 | May 19, 1874 | G.F. Simonds | Improvement in Tempering Ovens for Steel and Iron | tool making machines | |