Marvin D. Dansie

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Federal Way, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure ball valve
- Patent number 4,934,656
- Issue date Jun 19, 1990
- The Boeing Company
- Oliver J. Groves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...