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| Patents for C. E. Mitchell | |||||
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| Number | Date | Patentee | Title | Type | |
| 68,603 | Sep. 10, 1867 | A. Stanley, S.N. Chapin | Improvement in Adjusting Spirit Levels | wooden levels | |
| RE5,408 | May 13, 1873 | H.K. Jones | Improvement in Machines for Graduating Carpenters' Squares | tool making machines | |