Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RT

Robert D. Tennison

IBM: 1 patents #44,794 of 70,183Top 65%
Tucson, AZ: #3,393 of 6,004 inventorsTop 60%
Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,916,140 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4974156 Multi-level peripheral data storage hierarchy with independent access to all levels of the hierarchy Warren B. Harding, William Otto Vomaska 1990-11-27