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| Patents Granted on 1852-01-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,664 | Jan. 20, 1852 | J. Sawyer | Machine for splitting ratan | rattan machines | |
| 8,666 | Jan. 20, 1852 | G.W. Tolhurst | Planing-machine | wood planers | |
| GB-185,213,902 | Jan. 20, 1852 | P. Wright | Improvements in the Manufacture of Anvils | blacksmith | |