DJ

David A. Johnson

TE Tekmax: 2 patents #1 of 3Top 35%
MT Micro Component Technology: 1 patents #1 of 14Top 8%
📍 Wayzata, MN: #1 of 15 inventorsTop 7%
🗺 Minnesota: #35 of 2,022 inventorsTop 2%
Overall (1989): #11,279 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4835464 Decoupling apparatus for use with integrated circuit tester Bradley D. Slye 1989-05-30
4824307 Apparatus for vertically stacking battery plates Peter E. Johnson 1989-04-25
4822234 Plate feed apparatus Peter E. Johnson, George W. Kahl 1989-04-18