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| Patents for Stow Flexible Shaft Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 438,230 | Oct. 14, 1890 | J.G. Erd | Flue Hole Cutter | boilermaker | |
| 439,567 | Oct. 28, 1890 | F. Schoff | Corner Drill Press | drill presses | |