JK

John C. Kraemer

3M: 2 patents #5,326 of 11,543Top 50%
📍 Oakdale, MN: #195 of 368 inventorsTop 55%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,299,039 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5179486 Head positioning and tape support apparatus for data recorder Paul R. Iverson 1993-01-12
4686596 Recording head core yoke and method of manufacture Paul R. Iverson 1987-08-11