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| Patents Granted on 1988-05-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,742,736 | May 10, 1988 | D.L. Williams | Band Clamp Pliers | pliers | |
| 4,742,856 | May 10, 1988 | R.J. Morgan, K.L. Hehr | Groove forming apparatus and method | handheld power tool accessories | |