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| Patents for James M. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,947 | Dec. 18, 1855 | W.W. Johnson | Machine for planing fellies | wheelwright | |
| 82,004 | Sep. 08, 1868 | J. Herig, J.M. Johnson | Mortising machine for sash | mortising machines | |
| 198,945 | Jan. 08, 1878 | J.M. Johnson | Improvement in collapsible screw-taps | taps and dies | |