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| All Patents in class 417/1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 983,406 | Feb. 07, 1911 | H.C. Schneider | Windmill Regulator | wind power apparatus | |
| 1,101,143 | Jun. 23, 1914 | H. Neville | Vacuum Pump | vacuum pumps | |