JE

Joel N. Erdman

JI Johnstech International: 2 patents #7 of 14Top 50%
📍 Waconia, MN: #3 of 24 inventorsTop 15%
🗺 Minnesota: #1,262 of 6,786 inventorsTop 20%
Overall (2016): #130,350 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9500673 Electrically conductive kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2016-11-22
9329204 Electrically conductive Kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2016-05-03