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Bernard F. Beaulier

HY Hydril: 1 patents #73 of 135Top 55%
Overall (All Time): #3,636,346 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6158785 Multi-start wedge thread for tubular connection David Llewellyn Mallis 2000-12-12