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| Patents Granted on 1834-06-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,277X | Jun. 21, 1834 | C.H. McCormick | Improvement in machines for reaping small grain (Reaper) | reapers | |
| 8,278X | Jun. 21, 1834 | B. Phillips | Mode of determining the height of water in boilers | stationary boilers | |