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| Patents for William W. Vosper | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,943,644 | Jan. 16, 1934 | W.W. Vosper | Tool Carrier | pipe threading machines | |
| 2,029,847 | Feb. 04, 1936 | W.W. Vosper | Threading and Facing Tool | tap and die holders | |
| 2,079,954 | May 11, 1937 | W.W. Vosper | Turning, Facing, and Threading Tool | tap and die holders | |