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| Patents for F. B. Keppy | |||||
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| Number | Date | Patentee | Title | Type | |
| 284,275 | Sep. 04, 1883 | J. Chantrell | Bit-stock | drill chucks | |
| 291,267 | Jan. 01, 1884 | N.W. Vandegrift, F. Armstrong | Pipe Wrench | pipe wrenches | |