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Christoph Bosshard
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Stafa, CH
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Patents Grants
last 30 patents
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Patent Grant
Cerumen protection plug
Patent number
11,228,851
Issue date
Jan 18, 2022
SONOVA AG
Erich Dittli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Cerumen filter applicator
Patent number
11,190,888
Issue date
Nov 30, 2021
SONOVA AG
Martyn Beedham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CERUMEN PROTECTION PLUG
Publication number
20200382882
Publication date
Dec 3, 2020
Sonova AG
Erich Dittli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cerumen Filter Applicator
Publication number
20200296528
Publication date
Sep 17, 2020
Sonova AG
Martyn Beedham
H04 - ELECTRIC COMMUNICATION TECHNIQUE