WF

Werner Fidi

AM Akg Akustische U. Kino-Gerate Gesellschaft M.B.H.: 2 patents #1 of 3Top 35%
Overall (1989): #13,341 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4858719 Pressure gradient pickup Heinz Renner 1989-08-22
4817168 Directional microphone — 1989-03-28