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| Patents Granted on 1826-05-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,448X | May 25, 1826 | S. Ballou (Ballon) | Threshing machine | miller | |
| 4,449X | May 25, 1826 | D. Bruce, Jr., S. Fairlamb | Steam packed rotary steam engine | rotary steam engines | |