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| Patents for James E. Underwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 179,628 | Jul. 04, 1876 | J.E. Underwood | Wrench | brace wrenches | |
| 186,965 | Feb. 06, 1877 | J.E. Underwood, F.H. Underwood | Improvement in belting | industrial machine pulleys and belt drive mechanisms | |
| 219,606 | Sep. 16, 1879 | J.E. Underwood, F.H. Underwood | Improvement in belting | industrial machine mechanisms | |