RC

Robert J. Cardinal

📍 Maplewood, MN: #335 of 510 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,483,299 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6757664 Method and system for verification of checks at a point of sale Dennis J. Cummings, Leonard A. Norum, Donald D. Lehr, Lois A. Palmer, Vernon L. Landrum +3 more 2004-06-29