JK

John B. Ketterson

Northwestern University: 1 patents #4 of 25Top 20%
📍 Evanston, IL: #6 of 55 inventorsTop 15%
🗺 Illinois: #289 of 3,813 inventorsTop 8%
Overall (1989): #23,791 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4844989 Superconducting structure with layers of niobium nitride and aluminum nitride James M. Murduck, Yves J. Lepetre, Ivan K. Schuller 1989-07-04
4817124 Charged particle high frequency laser Slawomir A. Bogacz, George Wong 1989-03-28