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Patents for Alexander Patterson | |||||
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Number | Title | Classification(s) | |||
227,622 | Electro-Magnetic Motor | 310/46 | |||
227,623 | Electro-Magnetic Motor | 310/224, 310/244, 310/75R | |||
361,446 | Combination Tool | 30/408, 7/126, 7/129, 7/152 |