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| Patents for Levi Winfield Marshall | |||||
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| Number | Date | Patentee | Title | Type | |
| 831,883 | Sep. 25, 1906 | L.W. Marshall | Notch-cutting machine for single-stave barrels | barrel making machines | |
| RE12,612 | Feb. 19, 1907 | L.W. Marshall | Notch-cutting machine | cooper | |