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| Patents for Charles W. De Mooy | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 660,564 | Oct. 30, 1900 | C.W. De Mooy | Reversing-gear and clutch combined | |
 | 1,376,080 | Apr. 26, 1921 | C.W. De Mooy | High-frequency machine | |
| 1,376,081 | Apr. 26, 1921 | C.W. De Mooy | High-frequency Generator of the Transformer Type | ||