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Inventor
KASZUBA TOMASZ
NL
2 patents
Patents
2 patents
US10721566B2
Jul 21, 2020
Receiver assembly comprising an armature and a diaphragm
SONION NEDERLAND BV
2 citations
64
US10708685B2
Jul 7, 2020
Receiver with venting opening
SONION NEDERLAND BV
0 citations
32