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| All Patents in class 29/465 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,386,781 | Jun. 04, 1968 | W.J. Blazek, C.D. Hillis | Die set having readily demountable guide pins and bushings | dies for punch presses | |
| 4,907,481 | Mar. 13, 1990 | J. Dvorak, C.J. Dvorak | Powered press with manual punch and die alignment capability | metal punching machines | |