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| Patents for F. B. Townsend | |||||
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| Number | Date | Patentee | Title | Type | |
| 159,226 | Jan. 26, 1875 | G.J. Shimer | Improvement in cutter-heads | cutterheads | |
| 166,171 | Jul. 27, 1875 | H.J. White | Dried Fruit Looseners | ||
| 228,707 | Jun. 08, 1880 | W.C. Westerfield | Wrench Adapted To Grasping Cylindrical Bodies | chain and strap wrenches | |
| 246,419 | Aug. 30, 1881 | O.G. Rombotis | Combination Tool | combination tools | |