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| Patents for I. O. Johansson Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| D170,864 | Nov. 17, 1953 | I.O. Johansson | Vertical milling machine or similar article | milling machines | |
| D178,669 | Sep. 04, 1956 | I.O. Johansson | Drill press or similar article | drill presses | |
| 2,966,079 | Dec. 27, 1960 | I.O. Johansson | Tool machine brake mechanism | milling machines | |