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| Patents Granted on 1861-05-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| NS-70 | May 21, 1861 | W. Rode | Wringing clothes | clothes wringers | |
| RE1,190 | May 21, 1861 | H.D. Stover | Wood planing machine | wood planers | |
| 32,347 | May 21, 1861 | H.S. Bartholomew | Improvement in Ball-Braces | fixed braces | |
| 32,350 | May 21, 1861 | E.W. Bullard | Hay Spreader | hay or straw spinners | |
| 32,398 | May 21, 1861 | J.A. Dyer | Machine for cutting chair-backs | chair maker | |