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| All Patents in class 417/539 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,337X | Jan. 23, 1836 | B. Egbert | Force pump | pumps | |
| 3,878 | Jan. 10, 1845 | J.H. Towne | Oscillating Steam Engine | oscillating steam engines | |
| 1,037,297 | Sep. 03, 1912 | W.H. Newbrough | Multiple Cylinder Pump | sprayers | |
| 2,010,377 | Aug. 06, 1935 | B. Sassen | Hydraulic Power Unit | hydraulic apparatus | |