PE

Pius Gerold Estermann

PA Phonak Ag: 1 patents #1 of 3Top 35%
📍 Unterschächen, CH: #1 of 1 inventorsTop 100%
Overall (1997): #49,114 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

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