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| Patents for Francis A. Kough | |||||
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| Number | Date | Patentee | Title | Type | |
| 228,827 | Jun. 15, 1880 | J.A. Mell | Improved Ratchet-Wrench | ratchet wrenches | |
| 231,831 | Aug. 31, 1880 | W. Wortenbe, J.A. Mell | Self-Adjusting Wrench | self-adjust wrenches | |