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| Patents for Medad Wright & Sons | |||||
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| Number | Date | Patentee | Title | Type | |
| 128,995 | Jul. 16, 1872 | M. Wright | Improvement in planing-machines | wood planers | |
| 203,234 | Apr. 30, 1878 | P.C. Wright, M. Wright | Improvement in stone and glass polishers | polishing and buffing machinery | |
| 1,105,088 | Jul. 28, 1914 | D.F. McGovern | Polishing-wheel | ||
| 1,105,089 | Jul. 28, 1914 | D.F. McGovern | Polishing-wheel | ||