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All Patents in class 147/5 | |||||
Number | Date | Patentee | Title | Type | |
591,497 | Oct. 12, 1897 | A.T. Roebling | Barrel Hooping Machine | barrel making machines | |
909,705 | Jan. 12, 1909 | T.A. Sullivan, J.A. Young | Barrel Trussing Machine | barrel making machines |