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| Patents for Charles M. Trautmann | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 241,449 | May 10, 1881 | C.M. Trautmann | Sawing-machine | |
 | 241,450 | May 10, 1881 | C.M. Trautmann | Churn-power | |
 | 248,531 | Oct. 18, 1881 | C.M. Trautmann | Velocipede | |