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| All Patents in class 184/6.22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,296,124 | Mar. 04, 1919 | W.W. Schettler | Oil Reservoir for Internal Combustion Engines. | internal combustion engine lubrication | |
| 2,524,043 | Oct. 03, 1950 | J. Daugherty | Means of Controlling Temperature of Machinery | metal planers | |