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Patents for Charles J. Ellsworth | |||||
Number | Date | Patentee | Title | Type | |
101,975 | Apr. 19, 1870 | J.R. Boutelle | Lathe spindle | wood lathe accessories | |
800,764 | Oct. 03, 1905 | J.J. Rigby | Necking-machine | metalworking machines | |
1,199,906 | Oct. 03, 1916 | W. Klocke, J.E. Dobson | Press | metalworking presses |