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| Patents for Christian Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 927,751 | Jul. 13, 1909 | C. Rasmussen | Power hacksaw-machine | power hacksaws | |
| 992,392 | May 16, 1911 | E. Koziczenski, J. Tucholski | Rabbeting Spokeshave | spokeshaves | |
| 1,280,341 | Oct. 01, 1918 | H. Wardman | Band Saw | bandsaws | |