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| Patents Granted on 1823-10-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,765X | Oct. 01, 1823 | W. Rice | Cast iron grist mill spindle | grist mills | |
| 3,766X | Oct. 03, 1823 | J. Gazlay, C. Kellogg, D. Roe | Mode of procuring tanin | ||
| FX-3,766 | Oct. 14, 1823 | J. Nash | Plough | plows | |
| 3,767X | Oct. 15, 1823 | P.C. Curtis | Carding and spinning wool | cloth carding machines | |
| 3,768X | Oct. 15, 1823 | J. Galbraith | Tanning | ||
| 3,769X | Oct. 18, 1823 | J. Vannini | Construction of lottery schemes | ||
| 3,770X | Oct. 20, 1823 | W.S. Lewis | Thrashing and grinding machine | miller | |