DD

Donald F. Douglas

SS Sprint Spectrum: 2 patents #326 of 810Top 45%
📍 Kansas City, MO: #625 of 1,876 inventorsTop 35%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,155,954 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7197322 Method and system for facilitating location-based services Terry Rayburn, James Hallock, Von K. McConnell, Baoquan Zhang 2007-03-27
6816735 Method and system for facilitating location-based services Terry Rayburn, James Hallock, Von K. McConnell, Baoquan Zhang 2004-11-09