WM

Wallace John McDonald

📍 Edmonton, CA: #1,480 of 2,912 inventorsTop 55%
Overall (All Time): #3,695,647 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5804067 Apparatus for magnetic treatment of liquids Kevin J. Humphreys, Reginald D. Humphreys, Karl Rudolph Kopecky, Gary W. Adams 1998-09-08