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| Patents Granted on 1981-07-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,280,265 | Jul. 28, 1981 | J.W. Murphy | Pliers | pliers | |
| 4,280,379 | Jul. 28, 1981 | K.K. Chow | Reversible Ratchet Wrench | ratchet wrenches | |