WF

Willi Fencl

VA Varian: 2 patents #151 of 684Top 25%
Overall (All Time): #2,267,270 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5631470 Liquid ion chamber electrode apparatus Derek J. Day, Reza Majidi-Ahy, Heinrich Riem, Salvatore Provencale, Rolf Staehelin 1997-05-20
5594252 Three terminal ion chambers Derek J. Day, Rolf Stahelin, Salvatore Provenzale, Heinrich Riem 1997-01-14