Assignee
ELVA SA
US·2 granted patents·43 citations·filing 1997–1998
Top patents by PatentIndex Score
2 records- 0143US6748359B1Method for transmitting acoustic signals from a memory or chip card, and card for implementing said methodELVA SA·Filed 1998·Granted Jun 8, 2004·13 cites·20 claims
- 0242US6393567B1Method of enabling a server to authorize access to a service from portable devices having electronic microcircuits, e.g. devices of the smart card typeELVA SA·Filed 1997·Granted May 21, 2002·30 cites·11 claims
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