DF

Douglas C. Fox

📍 San Fernando, CA: #1,178 of 2,303 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,849,375 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5109421 Fetal speaker system and support belt for maternal wear — 1992-04-28