Leopold Heijne

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Ion-selective electrode
- Patent number 4,172,778
- Issue date Oct 30, 1979
- U.S. Philips Corporation
- Renaat E. van de Leest
- G01 - MEASURING TESTING
Information Patent Grant
Method for producing an ion-selective electrode
- Patent number 4,096,049
- Issue date Jun 20, 1978
- U.S. Philips Corporation
- Renaat Edmond Van de Leest
- G01 - MEASURING TESTING
Information Patent Grant
Ion-selective electrode
- Patent number 4,083,764
- Issue date Apr 11, 1978
- U.S. Philips Corporation
- Renaat Edmond Van de Leest
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Measuring cell for determining oxygen concentrations in a gas mixture
- Patent number 4,001,756
- Issue date Jan 4, 1977
- U.S. Philips Corporation
- Leopold Heijne
- G01 - MEASURING TESTING