RT

Russell G. Tretter

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Pierz, MN: #1 of 11 inventorsTop 10%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,233,249 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6009895 Free rotating inlet check valve for inflatable devices Lloyd G. Wass, Kurt Drewelow 2000-01-04
5971016 Super high flow pressure relief valve Lloyd G. Wass 1999-10-26