SF

Stefan Frese

AM Akg Akustische U. Kino-Gerate Gesellschaft M.B.H.: 2 patents #5 of 27Top 20%
📍 Wien, AT: #1,114 of 3,624 inventorsTop 35%
Overall (All Time): #2,311,650 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5146235 Helical UHF transmitting and/or receiving antenna — 1992-09-08
4475229 Device for producing artifical reverberation — 1984-10-02