Geert Warrink

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Matrix control circuit for a memory display
- Patent number 4,672,357
- Issue date Jun 9, 1987
- U.S. Philips Corporation
- Jean H. J. Lorteije
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator circuit for a matrix display device
- Patent number 4,353,062
- Issue date Oct 5, 1982
- U.S. Philips Corporation
- Jean H. J. Lorteije
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device having a matrix of gas discharge display elements
- Patent number 4,171,524
- Issue date Oct 16, 1979
- U.S. Philips Corporation
- Jean H. J. Lorteije
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Column electrode drive for gas discharge display device
- Patent number 4,121,256
- Issue date Oct 17, 1978
- U.S. Philips Corporation
- Jean Hubertus Josef Lorteije
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS