P
PatentIndex
Search
Landscape
Sign in
Inventor
STRUBEL WALTER
DE
2 patents
Patents
2 patents
US5999713A
Dec 7, 1999
Chip card with a contactless energy supply and data transmission devices
SIEMENS AG
33 citations
91
US5875450A
Feb 23, 1999
Device for processing and storing data received from either a contactless interface or an interface having contacts
SIEMENS AG
20 citations
91