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| Patents Granted on 1992-09-22 | |||||
| Number | Date | Patentee | Title | Type | |
| 5,148,726 | Sep. 22, 1992 | D.M. Sorbie, T.S. Severson, F. Mikic, W.T. Pagac, D.A. Huebschen | One-Piece, Open-End Wrenching Head with Roughened Jaws | nut wrenches | |