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| Patents for Frank Stafford | |||||
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| Number | Date | Patentee | Title | Type | |
| 183,077 | Oct. 10, 1876 | F. Stafford | Ice Tools | ice saws | |
| 477,159 | Jun. 14, 1892 | R.B. Laird, J.B. Sweeney | Power Hammer | forging machines | |