DF

Daniel G. Ferer

SR Sonex Research: 1 patents #10 of 16Top 65%
📍 Harwood, MD: #7 of 11 inventorsTop 65%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,964,092 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4788942 Internal combustion engine using dynamic resonating air chamber Andrew A. Pouring 1988-12-06