DM

David W. Matthews

DA Digital Communications Associates: 1 patents #7 of 16Top 45%
SS Satellite Business Systems: 1 patents #2 of 16Top 15%
📍 Mount Airy, MD: #66 of 181 inventorsTop 40%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,363,958 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4408322 Method and apparatus for measuring signal to noise ratio in a TDMA communications system Henry D. Chadwick 1983-10-04
4305047 Feedback circuit for controlling the peak optical output power of an injection laser Lynn C. Chapman, John J. Giganti 1981-12-08