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| Patents Granted on 1799-10-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 257X | Oct. 28, 1799 | M. McFarland | Federal balloon | hot air balloons | |
| 258X | Oct. 28, 1799 | A. Kinsley | Universal pump | plumber | |
| 259X | Oct. 28, 1799 | R.R. Livingston | Manufacturing of paper | manufacturing processes | |