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| Patents for Rob. R. Kitchel | |||||
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| Number | Date | Patentee | Title | Type | |
| 969,379 | Sep. 06, 1910 | W.B. Lane | Ratchet Mechanism for Screw-Drivers, Wrenches, &c. | ratchet wrenches | |
| 981,202 | Jan. 10, 1911 | W.B. Lane | Screw Driver | ratcheting screwdrivers | |