Johan Van Tilburg

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Zoetermeer, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for playing games via a communications network, and a game s...
- Patent number 6,080,064
- Issue date Jun 27, 2000
- Koninklijke PTT Nederland N.V.
- Rob Pieterse
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authentication system wherein definition signals of two devices are...
- Patent number 6,042,006
- Issue date Mar 28, 2000
- Koninklijke PTT Nederland N.V.
- Johan Van Tilburg
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for transparent interaction between an IC card and a remote...
- Patent number 5,714,741
- Issue date Feb 3, 1998
- Koninklijke PTT Nederland N.V.
- Rob Pieterse
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for checking data sequences
- Patent number 5,655,021
- Issue date Aug 5, 1997
- Koninklijke PTT Nederland N.V.
- Johan Van Tilburg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE