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| Patents for Emil Mattman | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 866,667 | Sep. 24, 1907 | E. Mattman | Means for fastening collector-leads | |
 | 917,471 | Apr. 06, 1909 | E. Mattman | Induction-motor | |
 | 1,122,213 | Dec. 22, 1914 | E. Mattman | Adjustable end head for dynamo-electric machines | |