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| Patents for Charles E. Thomas | |||||
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| Number | Date | Patentee | Title | Type | |
| 677,644 | Jul. 02, 1901 | J. Doolittle | Punching and shearing machine | metal punching machines | |
| 809,266 | Jan. 02, 1906 | W. Gregory, M. Lafever | Traction-wheel | traction engine wheels | |