DT

Darrell R. Tunning

🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,792,858 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5294229 Teacher and parent interactive communication system incorporating pocket sized portable audio numeric terminals Jonathan Hartzell 1994-03-15