EH

Emanuel F. Hagman

📍 Drayton Valley, CA: #17 of 38 inventorsTop 45%
Overall (All Time): #4,047,561 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4369808 Disc-type check valve — 1983-01-25