EG

Edward E. Griffen

📍 Edina, MN: #600 of 909 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,748,984 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5541794 Magnetic tape recording head cleaning apparatus Jeffrey S. Thiessen, Hector F. Gonzalez, Edwin W. Hazzard, Stephen A. Nunn 1996-07-30