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| All Patents in class 147/30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 620,000 | Feb. 21, 1899 | C.W. Smith | Stave-jointing machine | barrel making machines | |
| 942,799 | Dec. 07, 1909 | N.M. Taylor | Stave-jointing machine | barrel making machines | |