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| Patents for Mason D. Lear | |||||
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| Number | Date | Patentee | Title | Type | |
| 490,206 | Jan. 17, 1893 | M.D. Lear | Clothes Pin Lathe | clothespin machines | |
| 614,113 | Nov. 15, 1898 | M.D. Lear | Feed Mechanism for Clothes Pin Lathes | clothespin machines | |