EF

Ernst Feller

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #2,321,728 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4922403 Voltage multiplier circuit with reduced back-gate bias effect — 1990-05-01
4901037 Oscillator with amplitude stabilizing circuit — 1990-02-13