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Patents for Charles Ruggles | |||||
Number | Date | Patentee | Title | Type | |
143,466 | Oct. 07, 1873 | C. Ruggles | Improvement in machines for cutting gores in staves | barrel making machines | |
144,635 | Nov. 18, 1873 | C. Ruggles | Improvement in machinery for making barrels | barrel making machines |