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| Patents for Gardiner G. Hubbard | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,191 | Jul. 17, 1847 | W.E. Cornell, C.W. Brown | Gearing for connecting feed or pressure rollers | wood planers | |
| 7,380 | May 21, 1850 | E. Jenney | Machinery for sawing staves | barrel making machines | |