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| All Patents in class 242/447.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 305,939 | Sep. 30, 1884 | C.L. Clarke, J. Leigh | Machine for Coiling Wire and Thread in the Manufacture of Induction and Resistance Coils | wire winding machines | |
| 2,959,372 | Nov. 08, 1960 | J. Sadorf | Winding machine | coil forming | |