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| Patents for W. M. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 116,915 | Jul. 11, 1871 | G.F. Almy | Improvement in spoke-sawing machines | wheelwright | |
| 278,951 | Jun. 05, 1883 | H. Hartman | Combination Can Opener | combination tools | |
| 1,188,735 | Jun. 27, 1916 | J. Cookerley | Wrench | angle adjustable wrenches | |