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| Patents for Charles F. Hadley | |||||
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| Number | Date | Patentee | Title | Type | |
| 84,057 | Nov. 17, 1868 | C.F. Hadley | Lathe Chuck | metal lathe chucks | |
| 132,573 | Oct. 29, 1872 | C.F. Hadley | Improvement in Tool Rests for Lathes | metal lathes | |