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| Patents for Frederick W. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 202,526 | Apr. 16, 1878 | W.O. Douglas | Improvement in truss-bridges | truss bridges | |
| 542,592 | Jul. 09, 1895 | E.I. Morey | Improvement in Pipe-wrenches | pipe wrenches | |