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| Patents for Irwin Industrial Tools | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,056,385 | Oct. 15, 1991 | R. Petersen | Compound Toggle Link | locking pliers | |
| 6,626,070 | Sep. 30, 2003 | R.L. Rhynalds, B.L. Rahe, T.O. Miller, W.D. Peperkorn | Compound Toggle Link Retention Mechanism | locking pliers | |