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| Patents for Willard M. Dean | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,200,395 | Oct. 03, 1916 | G.A. Schipper | Metal-working machine | gear making machines | |
| 1,285,413 | Nov. 19, 1918 | G.A. Schipper | Gear Cutting Machine | gear making machines | |