Andre De Rego

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Patents Grantslast 30 patents

Information Patent Grant
Method for making synthetic membranes for a gas meter
- Patent number 5,068,074
- Issue date Nov 26, 1991
- Schlumberger Industries, S.A.
- Andre De Rego
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a gas meter having a synthetic membrane
- Patent number 4,935,084
- Issue date Jun 19, 1990
- Schlumberger Industries, S.A.
- Andre De Rego
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gas meter having a synthetic diaphragm and molded housing
- Patent number 4,891,979
- Issue date Jan 9, 1990
- Schlumberger Industries, S.A.
- Andre De Rego
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gas meter including a synthetic membrane
- Patent number 4,779,459
- Issue date Oct 25, 1988
- Flonic, S.A.
- Andre de Rego
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL