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| Patents for George D. Hayden | |||||
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| Number | Date | Patentee | Title | Type | |
| 287,673 | Oct. 30, 1883 | G.D. Hayden | Turning Lathe | metal lathes | |
| 1,173,574 | Feb. 29, 1916 | G.D. Hayden | Automatic screw-machine | screw machines | |