DK

Donald J. Kerfeld

IM Imation: 2 patents #3 of 71Top 5%
📍 Windom, MN: #21 of 286 inventorsTop 8%
🗺 Minnesota: #643 of 4,860 inventorsTop 15%
Overall (2003): #69,599 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6638692 Replicated regions on optical disks Anthony O. Banal, Ted L. Bahns, Kristi L. Chavez, Chad R. Sandstrom 2003-10-28
6616867 Multi-generation stampers — 2003-09-09