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Matthew Hartmann
Massapequa, NY
US
4 patents
3 Patents
US12580880
2026
Messaging System with One-to-many Communication
VOLKSWAGEN AKTIENGESELLSCHAFT
0 cites
US12537784
2026
Messaging System with One-to-one Communication
VOLKSWAGEN AKTIENGESELLSCHAFT
0 cites
US12363059
2025
Messaging System for Computing Devices
CARIAD SE
0 cites