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| Patents Granted on 1990-11-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,967,613 | Nov. 06, 1990 | R.E. Cone | Reversible Adjustable Wrench | screw adjust wrenches | |
| 4,970,922 | Nov. 20, 1990 | B. Krivec | Torque Driving Tool and Retainer for Driven Member | ||