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| Patents for J. G. Mason | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,510 | Mar. 13, 1855 | J. Hyde | Improvement in Screw-Wrenches | quick adjust wrenches | |
| 13,925 | Dec. 11, 1855 | G.H. Talbot | Auger-Handle | auger handles | |