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| Patents for Wm. H. Powell | |||||
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| Number | Date | Patentee | Title | Type | |
| 285,304 | Sep. 18, 1883 | R.P. Pearson | Combination Tool | combination tools | |
| 455,300 | Jul. 07, 1891 | J. Berner | Ratchet Wrench | ratchet wrenches | |