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| Patents Granted on 1827-08-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,853X | Aug. 20, 1827 | P. Barker | Machine for breaking and threshing flax | flax and hemp machines | |
| 4,854X | Aug. 20, 1827 | G. Dofler | Right and left plough | plows | |
| 4,855X | Aug. 20, 1827 | W. Cornell | Method of determining the strength of liquors | ||