GK

Gerald L. Karel

3M: 2 patents #192 of 1,204Top 20%
📍 Maplewood, MN: #17 of 80 inventorsTop 25%
🗺 Minnesota: #643 of 4,860 inventorsTop 15%
Overall (2003): #66,958 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6646554 Identification tag with enhanced security Edward D. Goff, Chester Piotrowski, Robert A. Sainati, Ching-Long Tsai 2003-11-11
6542070 Terminal for libraries and the like Roger D. Larson, James E. Fergen, John E. Nelson, Michael J. Kieffer, Gerald G. Marsolek +4 more 2003-04-01