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Pius Gerold Estermann

PAPhonak Ag: 1 patents #110 of 208Top 55%
Unterschächen, CH: #1 of 1 inventorsTop 100%
Overall (All Time): #3,723,367 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5661814 Hearing aid apparatus August Kalin, Bohumir Uvacek 1997-08-26

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