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| Patents for William J. Johnson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 95,483 | Oct. 05, 1869 | W.J. Johnson, G. Tainter | Improvement in boring-tool | |
| RE6,649 | Sep. 21, 1875 | W.J. Johnson | Pump | ||
| 342,361 | May 25, 1886 | E.D. Johnson | Saw-mill dog | ||
 | 518,106 | Apr. 10, 1894 | W.J. Johnson | Tool-Handle | |
 | 744,295 | Nov. 17, 1903 | W.U. Colthar | Spring-motor | |