AF

Alfredo D. Ferrin

SS Sound Advance Systems: 1 patents #2 of 4Top 50%
📍 Irvine, CA: #70 of 242 inventorsTop 30%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #178,924 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5693917 Planar diaphragm loudspeaker Alejandro Bertagni, Eduardo Bertagni, James Schuessler 1997-12-02