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Stefan Hafeneger
Saratoga, CA
US
3 patents
4 Patents
US12399561
2025
Ring Device
Apple Inc.
0 cites
US12182652
2024
Electronic System with Ring Device
Apple Inc.
0 cites
US12061680
2024
Electronic Device System with Ring Devices
Apple Inc.
0 cites
US11829831
2023
Electronic System with Ring Device
Apple Inc.
0 cites