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| Patents for Pierre L. Gibbs | |||||
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| Number | Date | Patentee | Title | Type | |
| 132,823 | Nov. 05, 1872 | P.L. Gibbs | Improvement in Wrenches | ratchet wrenches | |
| 137,910 | Apr. 15, 1873 | P.L. Gibbs | Improvement in Railroad Track Wrenches | socket wrenches | |