FC

Francis O. Couch

📍 Portland, OR: #4,612 of 9,213 inventorsTop 55%
🗺 Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,325,295 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4945533 Method and apparatus for transmitting data George L. Schroeder, Chamna Saenguraiporn 1990-07-31
4881221 Method and apparatus for disabling an echo canceller on a digital telecommunications network George L. Schroeder, Chamna Saenguraiporn 1989-11-14