Ronald Van Hal

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Ridgefield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Spectroscopic pH measurement using optimized mixtures of reagents t...
- Patent number 7,993,604
- Issue date Aug 9, 2011
- Schlumberger Technology Corporation
- Bhavani Raghuraman
- G01 - MEASURING TESTING
Information Patent Grant
Spetroscopic pH measurement using optimized mixtures of reagents to...
- Patent number 7,432,109
- Issue date Oct 7, 2008
- Schlumberger Technology Corporation
- Bhavani Raghuraman
- G01 - MEASURING TESTING