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| All Patents in class 418/142 | |||||
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| Number | Date | Patentee | Title | Type | |
| 260,978 | Jul. 11, 1882 | R. Hodson | Rotary Engine | rotary steam engines | |
| 347,242 | Aug. 10, 1886 | J. Hills | Rotary Steam Engine | rotary steam engines | |
| 445,038 | Jan. 20, 1891 | S.G. Brosius | Rotary Steam Engine | rotary steam engines | |
| 445,039 | Jan. 20, 1891 | S.G. Brosius | Rotary Steam Engine | rotary steam engines | |
| 449,864 | Apr. 07, 1891 | J.E. Sackett | Rotary Steam Engine | rotary steam engines | |
| 457,980 | Aug. 18, 1891 | E.D. Bangs | Rotary Engine | rotary steam engines | |
| 459,381 | Sep. 08, 1891 | J.M. Stocker | Rotary Engine | rotary steam engines | |
| 463,267 | Nov. 17, 1891 | S.G. Brosius | Rotary Steam Engine | rotary steam engines | |