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| All Patents in class 83/247 | |||||
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| Number | Date | Patentee | Title | Type | |
| 682,686 | Sep. 17, 1901 | B.F. Hall | Punching-machine | shoe and boot making machines | |
| 1,169,332 | Jan. 25, 1916 | C.D. McDonald | Metal-shearing machine | ||