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| Patents Granted on 1843-10-20 | |||||
| Number | Date | Patentee | Title | Type | |
| D13 | Oct. 20, 1843 | J.P. Ferguson | Carpet, design for | carpets | |
| RE-57 | Oct. 20, 1843 | L. Disbrow | Imrpovement in apparatus for boring earth for water | well drilling machines | |