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| Patents for Benjamin F. Smith | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 138,206 | Apr. 22, 1873 | B.F. Smith, J.B. Smith | Improvement in saw-mill carriages | |
 | 289,110 | Nov. 27, 1883 | D.E. Kempster | Hand Drilling Machine | |
 | 391,655 | Oct. 23, 1888 | B.F. Smith | Tap or Die Stock | |
 | 444,255 | Jan. 06, 1891 | G.F. Shaw | Pipe Wrench | |
 | 610,773 | Sep. 13, 1898 | B.F. Smith | Hand Drilling-Machine | |