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| Patents for A. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 27,955 | Apr. 17, 1860 | J.P. Woods | Cooper's tool | barrel making machines | |
| 1,195,861 | Aug. 22, 1916 | E.F. Smith | Manufacture and construction of commutators | handheld power tools | |