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| Patents for William R. Groene | |||||
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| Number | Date | Patentee | Title | Type | |
| 801,253 | Oct. 10, 1905 | W.R. Groene, R.K. Le Blond | Turret Lathe | turret lathes | |
| 2,173,609 | Sep. 19, 1939 | W.R. Groene | Combined Turning and Broaching Tool for Lathes | lathe tools | |