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| All Patents in class 172/125 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,578,343 | Mar. 30, 1926 | J.A. Mould | Mechanism for lubricating internal-combustion engines | ||
| 4,600,070 | Jul. 15, 1986 | G.H. Thurner | Modular tiller hitch for a lawn and garden tractor | ||