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| Patents Granted on 1823-05-29 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,704X | May 29, 1823 | J.C. Jenckes | Machine for raising the sick into various positions | ||
| 3,705X | May 29, 1823 | B.R. Reed | Machine for pressing bricks | brick maker | |
| 3,706X | May 29, 1823 | B.R. Reed | Treadle machine for pressing bricks | brick maker | |