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| Patents for Hiram M. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,466X | Apr. 09, 1831 | J. Parker, H.M. Smith | Corn shelling machine | corn shellers | |
| 194,736 | Aug. 28, 1877 | H.M. Smith | Machines for Planing Off the Heads and Points of Rivets | rivet making machines | |
| 244,679 | Jul. 19, 1881 | H.M. Smith | Machine for Threading Thrasher Cylinder Teeth | metal threading machines | |