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| Patents for Calvin Jackson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 496,595 | May 02, 1893 | H.S. Zook, J.K. Byler | Carriage Wrench | |
| D31,827 | Nov. 14, 1899 | C. Jackson | Boring Bar | ||
 | 683,178 | Sep. 24, 1901 | C. Jackson | Machine Tool | |
| 687,237 | Nov. 26, 1901 | C. Jackson | Lathe Tool and Holder | ||