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| Patents Granted on 1827-10-16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,900X | Oct. 16, 1827 | J. Ambler, Jr. | Lever percussion gun lock | gunsmith | |
| 4,901X | Oct. 16, 1827 | P.C. Dummer | Mode of pressing glass with a core | glassmaker | |
| 4,902X | Oct. 16, 1827 | J. Maxwell, G. Dummer, P.C. Dummer | Glass formed by a combination of moulds | glassmaker | |