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| Patents for D. W. Gould | |||||
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| Number | Date | Patentee | Title | Type | |
| 623,041 | Apr. 11, 1899 | J.S. Scott | Tool | pliers | |
| 831,477 | Sep. 18, 1906 | A. Sandall | Tool | pliers | |
| 1,115,071 | Oct. 27, 1914 | N.B. Healy | Valve Dressing Tool | valve grinding tools | |