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| Patents for Lewis L. Whitlock | |||||
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| Number | Date | Patentee | Title | Type | |
| 118,316 | Aug. 22, 1871 | L.L. Whitlock | Imprvement in Machines for Lifting Drop Weights | drop hammers | |
| 148,867 | Mar. 24, 1874 | L.L. Whitlock | Drop-Hammers | drop hammers | |