Norman H. Carlsen, Jr.

NE Newcon: 1 patents #2 of 6Top 35%

📍 Chisholm, MN: #4 of 9 inventorsTop 45%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,910,143 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4951919	Seal for gate valve liners	Raymond E. Haglund	1990-08-28