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| Number | Title | Issue Date |
| 7632053 | Method for the production of a screw, and screw produced according to said method A screw (1) having a head (2), a shaft (4) that includes a thread (5), and an interior engaging member (3) in the head is provided. The screw (1) is produced from an ultra-high strength steel using a cold forming method.... | 12/15/2009 |
