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| Patents for John G. Folsom | |||||
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| Number | Date | Patentee | Title | Type | |
| 146,123 | Jan. 06, 1874 | G.W. Chandler, J.G. Folsom | Bit-stock | brace chucks | |
| 385,347 | Jul. 03, 1888 | J.G. Folsom | Metal Hardening Device | heat treating machines | |