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| All Patents in class 74/129 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,753 | Aug. 18, 1842 | A. Perry, A.M. Bouton | Mode of Changing Reciprocating into Rotary Motion for Steam Engines and Other Purposes | steam engines | |
| 120,846 | Nov. 14, 1871 | N.B. Baldwin | Propelling Power | steam traction engines | |
| 353,886 | Dec. 07, 1886 | A.E. Roe | Saw-mill set-works | sawmill set works | |
| 500,544 | Jul. 04, 1893 | A.C. Ames | Driving Mechanism for Road Vehicles | traction engine propulsion components | |