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| Patents for Gilbert M. Mason | |||||
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| Number | Date | Patentee | Title | Type | |
| 787,523 | Apr. 18, 1905 | G.M. Mason | Combined Pipe Wrench and Pliers | pliers | |
| 890,152 | Jun. 09, 1908 | G.M. Mason | Tool For Constructing and Repairing Wire Fences | fence | |