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| Patents for Colvin L. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,851,313 | Mar. 29, 1932 | C.L. Johnson | Spare tire lock | locks | |
| 1,950,493 | Mar. 13, 1934 | C.L. Johnson | Spare wheel and tire lock | locks | |