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| Patents for Randy J. Niesen | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,589,644 | Dec. 31, 1996 | D.J. Iwinski, R.J. Niesen, G.A. Putney, M.M. Crass, T.P. Becker | Torque-Angle Wrench | torque wrenches | |