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| Patents for Pearl McMichael | |||||
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| Number | Date | Patentee | Title | Type | |
| 680,606 | Aug. 13, 1901 | W. Lodge | Engine Lathe | engine lathes | |
| 683,003 | Sep. 17, 1901 | W.L. Schellenbach | Variable-speed mechanism | industrial machine pulleys and belt drive mechanisms | |