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| Patents for Max T. Knutzen | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,353,246 | Jul. 11, 1944 | M.T. Knutzen | Control means for power-operated machine | ||
| 2,378,304 | Jun. 12, 1945 | M.T. Knutzen | Control means for power operated machinery | ||