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| Patents for F. G. Brown | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 230,074 | Jul. 13, 1880 | C. Seymour | Hub-turning lathe | |
 | 239,881 | Apr. 05, 1881 | D.B. Turnbull, C. Seymour, C.C. Strong | Mortising machine | |
 | 267,465 | Nov. 14, 1882 | C. Seymour | Mortising-machine | |
| 293,891 | Feb. 19, 1884 | W.H. Lenhart | Lathe for turning eccentric or polygonal forms | ||
| 324,707 | Aug. 18, 1885 | P. Kettenring | Barrel-hoop machine | ||
 | 378,939 | Mar. 06, 1888 | C. Seymour | Fence for saws | |