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| All Patents in class 92/147 | |||||
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| Number | Date | Patentee | Title | Type | |
| 242,976 | Jun. 14, 1881 | C.T. Porter | Base-plate for horizontal engines | steam engines | |
| 325,487 | Sep. 01, 1885 | J.L. Bogart | Steam Engine | steam engines | |
| 715,559 | Dec. 09, 1902 | D.A. Decrow | Motor Engine | ||