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| All Patents in class 147/23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,829 | Oct. 16, 1840 | C.F. Beverly | Crozing and chiming staves | barrel making machines | |
| 83,089 | Oct. 13, 1868 | F.K. Plumbly | Machine for planing the crozes in tank and cistern-staves | barrel making machines | |