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Peter Loeppert
Itasca, IL
US
1 patent
2 Patents
US11671766
2023
Microphone Device with Ingress Protection
KNOWLES ELECTRONICS, LLC.
0 cites
US11617042
2023
Acoustic Transducers with a Low Pressure Zone and Diaphragms Having Enhanced Compliance
KNOWLES ELECTRONICS, LLC.
0 cites