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| Patents for Massachusetts Caloric Engine Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 20,782 | Jul. 06, 1858 | J. Ericsson | Reciprocating Steam Engine | steam engines | |
| 41,612 | Feb. 16, 1864 | J. Ericsson | Reciprocating Steam Engine | ||