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| Patents for Wm. H. Lotz | |||||
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| Number | Date | Patentee | Title | Type | |
| 86,048 | Jan. 19, 1869 | C. Wetzler | Improved Implement | combination tools | |
| 149,587 | Apr. 14, 1874 | W.S. Kyle | Improvement in Screwdrivers | ratcheting screwdrivers | |
| 197,417 | Nov. 20, 1877 | A. Shoeninger | Ferules for Tool-Handles | auxiliary wrenches | |