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| Patents for C. W. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 286,409 | Oct. 09, 1883 | L. Emery, F.B. Stebbins | Cutter-head | cutterheads | |
| 518,328 | Apr. 17, 1894 | E.W. Oakey | Wrench And Straightener For Threshing Machine Teeth | cylinder tooth wrenches | |