Martin Klaas De Lange

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NN Voorburg, 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
Method for protectedly debiting an electronic payment means
- Patent number 5,991,412
- Issue date Nov 23, 1999
- Koninklijke KPN N.V.
- Jelle Wissenburgh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for processing data packets
- Patent number 5,870,479
- Issue date Feb 9, 1999
- Koninklijke PTT Nederland N.V.
- Albertus Feiken
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for cryptographically processing data packets and method of...
- Patent number 5,809,147
- Issue date Sep 15, 1998
- Koninklijke PTT Nederland
- Martin Klaas De Lange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
System for encoding data presented with a first coding device and f...
- Patent number 5,278,906
- Issue date Jan 11, 1994
- Koninklijke Pit Nederland N.V.
- Jean P. Boly
- H04 - ELECTRIC COMMUNICATION TECHNIQUE