Roberth Waldo Angulo Llerna

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Rio de Janeiro RJ, BR

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Patents Grantslast 30 patents

Information Patent Grant
Fiber optics differential pressure transducer
- Patent number 7,266,261
- Issue date Sep 4, 2007
- Petroleo Brasileiro S.A.-Petrobras
- Jose Luiz Arias Vidal
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Fiber optics differential pressure transducer
- Publication number 20060062510
- Publication date Mar 23, 2006
- PETROLEO BRASILEIRO S.A.- PETROBRAS
- Jose Luiz Arias Vidal
- G01 - MEASURING TESTING