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| Patents for V. L. Mason | |||||
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| Number | Date | Patentee | Title | Type | |
| 413,178 | Oct. 22, 1889 | E.E. Doe | Combined Scratch and Bit Gage | marking gauges | |
| 414,875 | Nov. 12, 1889 | C.J. Schenck, G.W. Ansley | Combination-Tool for Carpenter's Use | dividers | |