RC

Robert A. Christopherson

📍 Rosemount, MN: #6 of 22 inventorsTop 30%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #129,944 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6355323 Masking barriers Matthew L. Iwen, Don Kiser, Thomas J. Lundborg 2002-03-12