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| All Patents in class 172/42 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,578,343 | Mar. 30, 1926 | J.A. Mould | Mechanism for lubricating internal-combustion engines | ||
| 2,634,770 | Apr. 14, 1953 | A.W. Mall | Portable tree-felling and logcutting circle saw | tree felling machines | |