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| Patents for Joseph M. Truman | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,778X | Sep. 29, 1831 | J.M. Truman | Coating tin plate with lead | ||
| 7,843X | Nov. 19, 1833 | J.M. Truman, G. Truman | Gas lamp, called oil or spirit | ||