DN

Duane D. Nowlin

EC Ecodyne: 2 patents #1 of 6Top 20%
📍 New Brighton, MN: #1 of 18 inventorsTop 6%
🗺 Minnesota: #50 of 1,035 inventorsTop 5%
Overall (1982): #14,832 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4347224 Chemical dispenser Adolf F. Beckert, Dennis G. Winberg 1982-08-31
4332685 Method and apparatus for treating water Dennis G. Winberg 1982-06-01