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| Patents for Walter C. Masi | |||||
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| Number | Date | Patentee | Title | Type | |
| 172,180 | Jan. 11, 1876 | J. Schofield | Improvement in Plow-Clevis | clevises | |
| 183,379 | Oct. 17, 1876 | J. Dobbs | Wire-Barbing Tool | pliers | |