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| Patents for Charles W. Francis | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,379,755 | May 31, 1921 | C.W. Francis | Apparatus for making windings | |
 | 1,429,942 | Sep. 26, 1922 | C.W. Francis | Oil guard | |
 | 1,488,873 | Apr. 01, 1924 | C.W. Francis | Winding | |
 | 1,488,874 | Apr. 01, 1924 | C.W. Francis | Washing-machine drive assembly | |