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| All Patents in class 417/415 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,187,031 | Jun. 13, 1916 | S.D. Black, A.G. Decker | Air-compressor | ||
| 1,821,216 | Sep. 01, 1931 | F.G. Hobart, W.C. Heath | Pump | pumps | |