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| All Patents in class 242/586.5 | |||||
| Number | Date | Patentee | Title | Type | |
| 76,432 | Apr. 07, 1868 | C. French | Improvement in bending-mandrel | wood bending machines | |
| 1,346,812 | Jul. 20, 1920 | E.W. Duston | Collapsible spool | ||
| 2,920,837 | Jan. 12, 1960 | J.K. Wingard | Tension reel jaw | sheet metal | |