EH

Edwin W. Hazzard

TF The Geneva Foundation: 2 patents #4 of 16Top 25%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Rochester, MN: #1,297 of 3,042 inventorsTop 45%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,631,603 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5859755 Magnetic tape recording head cleaning apparatus Edward E. Griffin, Jeffrey S. Thiessen, Hector F. Gonzalez, Stephen A. Nunn 1999-01-12
5748418 Magnetic tape recording head cleaning apparatus Edward E. Griffin, Jeffrey S. Thiessen, Hector F. Gonzalez, Stephen A. Nunn 1998-05-05
5541794 Magnetic tape recording head cleaning apparatus Edward E. Griffen, Jeffrey S. Thiessen, Hector F. Gonzalez, Stephen A. Nunn 1996-07-30