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| Patents for George K. Woodworth | |||||
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| Number | Date | Patentee | Title | Type | |
| 936,422 | Oct. 12, 1909 | F.W. Derbyshire | Tool Rest for Watchmakers' Lathe | watchmakers lathes | |
| 1,168,063 | Jan. 11, 1916 | F.W. Derbyshire | Tail-stock | metal lathes | |