Heinz Kwas

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Patents Grantslast 30 patents

Information Patent Grant
Contactless communication data carrier with fully enclosed holding...
- Patent number 6,321,994
- Issue date Nov 27, 2001
- U.S. Philips Corporation
- Marcus Toth
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device arranged for contactless communication and provided with a d...
- Patent number 6,275,158
- Issue date Aug 14, 2001
- U.S. Philips Corporation
- Marcus Toth
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System with a lock and a key which cooperate according to the trans...
- Patent number 6,150,952
- Issue date Nov 21, 2000
- U.S. Philips Corporation
- Peter Priller
- G07 - CHECKING-DEVICES