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| Patents for John W. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 432,522 | Jul. 22, 1890 | G.J. Forrey | Nut Machine | nut or bolt making machines | |
| 860,872 | Jul. 23, 1907 | J.W. Johnson | Edge trimming and finishing machine | ||
| 1,060,845 | May 06, 1913 | J.W. Johnson | Bit-holder (chuck) | ||