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| Patents for Francis S. Brown | |||||
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| Number | Date | Patentee | Title | Type | |
| 281,644 | Jul. 17, 1883 | A.C. Rex | Ice pick or cutter | ice chisels | |
| 301,119 | Jul. 01, 1884 | J. Sprogell, H.S. Haskins | Overhead railway | hoists, winches, come-alongs | |
| 301,177 | Jul. 01, 1884 | J. Sprogell, H.S. Haskins | Overhead railway | hoists, winches, come-alongs | |
| 333,199 | Dec. 29, 1885 | I.P. Cornog | Ratchet Wrench | ratchet wrenches | |
| 338,874 | Mar. 30, 1886 | J. Pusey | Wrench | quick adjust wrenches | |