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| Patents Granted on 1829-04-29 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,470X | Apr. 29, 1829 | H.J. Tudor | Mode of Making or Manufacturing Salt From Sea Water or Salt Springs | manufacturing salt | |
| 5,471X | Apr. 29, 1829 | J. Nichols | Machine for Sifting | grain sifters | |
| 5,472X | Apr. 29, 1829 | C. Pierce | Construction of Hose, for Applying and Distributing to Sails or Sheets of Cloth, for the Protection of Buildings From Fire, Called the Fire Screen | fire hoses | |