RD

Roy DeFrain

AT AT&T: 1 patents #10,626 of 18,772Top 60%
📍 Pickerington, OH: #107 of 192 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,339,200 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7609823 High capacity advanced 8YY mass calling event network architecture Todd R. Bermudez, James Caldwell, Danny Chism, Andrew Grigg, Kirk Warrenburg +1 more 2009-10-27