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| Patents for Charles C. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 295,178 | Mar. 18, 1884 | C.C. Johnson | Combined bench dog and clamp | bench stops | |
| 300,780 | Jun. 24, 1884 | C.C. Johnson | Bench-dog | bench stops | |
| 558,262 | Apr. 14, 1896 | H.M. Darling | Journal-box | industrial machine bearings | |