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| Patents for Charles E. Mitchell | |||||
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| Number | Date | Patentee | Title | Type | |
| 814,718 | Mar. 13, 1906 | C.E. Mitchell | Steel Plane | planes | |
| 918,073 | Apr. 13, 1909 | C.E. Mitchell | Screw-Driver | screwdriver handles | |
| 930,307 | Aug. 03, 1909 | C.E. Mitchell | Sheet Metal Frog | plane frogs | |
| 1,011,227 | Dec. 12, 1911 | C.E. Mitchell | Brace Chuck | brace chucks | |