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| Patents for J. MacDonald Smith | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,013,753 | Jan. 02, 1912 | G. Dunn | Squirrel-cage rotor for electric motors | |
 | 1,104,784 | Jul. 28, 1914 | G. Dunn | Dynamo-electric machine frame | |