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| All Patents in class 137/38 | |||||
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| Number | Date | Patentee | Title | Type | |
| 313,951 | Mar. 17, 1885 | F. Renders | Lubricator | oil cups | |
| 1,213,676 | Jan. 23, 1917 | J.H. Miner | Wheel-flange lubricator | railroads | |
| 1,224,774 | May 01, 1917 | J.H. Miner | Gas-saver attachment for motor-vehicles | carburetors | |