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| Patents for M. A. Johnson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 981,159 | Jan. 10, 1911 | E.J. Bein | Surfacing-machine | |
 | 1,001,229 | Aug. 22, 1911 | J.W. Hallard, W.H. Stuart | Combination Square and Bevel | |
 | 1,005,883 | Oct. 17, 1911 | E. Challet, P. Roch | Instument for Making Micrometric Measurements | |
 | D45,499 | Mar. 24, 1914 | J.L. Sommer | Handle for Ice Picks | |