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Patents for William H. Underwood | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 8,503 | Nov. 11, 1851 | B.F. Bee | Securing and Adjusting Irons | |
![]() | 92,565 | Jul. 13, 1869 | B.F. Bee | Screw Threading Machine | |
![]() | 522,622 | Jul. 10, 1894 | G. Sears, W.H. Underwood | Power-shears |