Ray W. Saffrhan

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Gretna, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Quick release platform grouting valve system
- Patent number 4,776,727
- Issue date Oct 11, 1988
- Shell Offshore Inc.
- Ray W. Saffrhan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Platform grouting system and method
- Patent number 4,740,110
- Issue date Apr 26, 1988
- Shell Offshore Inc.
- Ray W. Saffrhan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING