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| Patents for Charles N. Trump | |||||
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| Number | Date | Patentee | Title | Type | |
| 162,588 | Apr. 27, 1875 | S.N. Trump, C.N. Trump | Improvement in scroll-sawing machines | scrollsaws | |
| 184,445 | Nov. 14, 1876 | S.N. Trump, C.N. Trump | Collet chuck | drill press chucks | |
| 185,270 | Dec. 12, 1876 | C. Frederick, S.N. Trump, C.N. Trump | Improvement in scroll-sawing machines | scrollsaws | |