DC

Davis G. Coghill

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Los Angeles, CA: #7,008 of 12,377 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,102,509 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4306368 Visual communications device for use by handicapped persons Raoul H. De Gaston 1981-12-22