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| All Patents in class 147/15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 292,737 | Jan. 29, 1884 | R.O. Dobbin | Barrel-finishing machine | barrel making machines | |
| 531,283 | Dec. 18, 1894 | W.T. Vale, G.A. Ohl | Barrel machine | cooper | |
| 900,253 | Oct. 06, 1908 | C.J. Alley | Machine for use in Chiming, Crozing and Howelling Barrels | barrel making machines | |