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| Patents for W. H. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 471,765 | Mar. 29, 1892 | N.M. Wever, D.D. Blount | Ratchet Railroad Track Wrench | ratchet wrenches | |
| 864,750 | Aug. 27, 1907 | F.W. Burpee | Shingle-machine | shingle machines | |