DL

Daniel LÜDDEKE

CR Crutcher Resources: 1 patents #5 of 12Top 45%
📍 Tulsa, OK: #1,272 of 2,344 inventorsTop 55%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4493203 Resilient internal mandrel Lionel H. Wheeler, Robert G. Goekler 1985-01-15