DR

David Ristau

SF Spx Flow: 1 patents #1 of 5Top 20%
📍 Kitchener, CA: #62 of 200 inventorsTop 35%
Overall (2017): #445,674 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9677673 Balanced double seated globe valve with flexible plub Nathan T. Hansen 2017-06-13