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| Patents Granted on 1857-08-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,914 | Aug. 04, 1857 | R. Brayton | Nut Machine | nut or bolt making machines | |
| 17,921 | Aug. 04, 1857 | J.F. Erdmann | Scraper Plane | scraper planes | |
| 17,944 | Aug. 04, 1857 | G.C. Taft | Self-feeding drill | horizontal drilling machines | |
| 17,946 | Aug. 04, 1857 | J. Trahin, C. Voebel | Machine for beveling staves, &c. | barrel making machines | |
| 17,951 | Aug. 04, 1857 | T.D. Worrall | Clamp Lever | plane cutter adjustments | |