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| Patents for William R. Carlsen | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,090,168 | May 21, 1963 | W.R. Carlsen | Tool Head for Finishing Machine | gear making machines | |
| 3,243,863 | Apr. 05, 1966 | W.R. Carlsen | Cutting Tool | gear cutting tools | |