JK

John Gary Kappenman

EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
ME Metatech: 1 patents #3 of 8Top 40%
📍 Duluth, MN: #107 of 317 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,236,621 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6047119 Method for tracking, analyzing and responding to lightning service interruptions using LCM technology David Lee Van House 2000-04-04
5461300 Phase angle regulating transformer with a single core per phase 1995-10-24