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| All Patents in class 72/468 | |||||
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| Number | Date | Patentee | Title | Type | |
| 627,557 | Jun. 27, 1899 | F.L. White | Drawing Die | taps and dies | |
| 2,728,448 | Dec. 27, 1955 | B.F. Ware | Multiple Orifice Wire Drawing Die | wire drawing dies | |