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| Patents for A. M. Benson | |||||
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| Number | Date | Patentee | Title | Type | |
| 124,716 | Mar. 19, 1872 | A.M. Benson | Improvement in machines for jointing staves | cooper | |
| 210,444 | Dec. 03, 1878 | A.M. Benson | Improvement in machines for dressing staves | cooper | |
| 401,874 | Apr. 23, 1889 | A.M. Benson | Machine for jointing staves | cooper | |
| 501,910 | Jul. 25, 1893 | A.M. Benson | Machine for hollowing staves | cooper | |