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| Patents Granted on 1819-10-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-181,904,400 | Oct. 11, 1819 | J. Perkins | Ornamental turning, etc., for bank notes | metal engraving machines | |
| 3,133X | Oct. 14, 1819 | D.E. Noyes | Comb cutting machine | comb making machines | |
| 3,134X | Oct. 19, 1819 | J. White | Improvement on locks for canals | ||
| 3,135X | Oct. 28, 1819 | N. Foot | Comb cutting machine | comb making machines | |