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| Patents Granted on 1834-10-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,457X | Oct. 20, 1834 | J. Barron | Blocks, tackle, and pulleys of metal | block and tackles | |
| 8,458X | Oct. 20, 1834 | C.B. Reed | Horse shoe machine | farrier | |
| 8,459X | Oct. 20, 1834 | E.M. Shaw | Mortising and tenoning machine | mortising machines | |