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| All Patents in class 92/109 | |||||
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| Number | Date | Patentee | Title | Type | |
| 475,427 | May 24, 1892 | E.J. Woolf | Single Cylinder Compound Engine | compound steam engines | |
| 1,632,708 | Jun. 14, 1927 | P.F. Lueth | Sawmill carriage | sawmill carriages | |