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| Patents for F. A. Lehman | |||||
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| Number | Date | Patentee | Title | Type | |
| 188,787 | Mar. 27, 1877 | W.H. Ewing | Improvement in machines for setting up barrels | barrel making machines | |
| 334,284 | Jan. 12, 1886 | T.J. Reamy | Head-block for saw-mills | sawmill headblocks | |
| 422,257 | Feb. 25, 1890 | E.A. Smead | Pipe Wrench and Pipe and Bolt Cutter | pipe wrenches | |