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| Patents for J. Wright Warren Jr. | |||||
| Number | Date | Patentee | Title | Type | |
| 1,781 | Sep. 10, 1840 | C. Manning | Machine for cutting staves | barrel making machines | |
| 1,787 | Sep. 14, 1840 | C. Manning | Improvement in machine for cutting staves, &c. | barrel making machines | |