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| All Patents in class 417/238 | |||||
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| Number | Date | Patentee | Title | Type | |
| 717,084 | Dec. 30, 1902 | J.E. Denham | Tire Setter | steel tire shrinkers | |
| 1,171,825 | Feb. 15, 1916 | R. Wood | Lubricator | steam engine lubricators | |
| 1,610,360 | Dec. 14, 1926 | G. Clements | Multiple unit fan | handheld power blowers | |
| 2,277,256 | Mar. 24, 1942 | E. Pfauser | Hydraulic Apparatus | ||