LD

Leonardus A. Daverveld

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,988,114 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4716446 Insulated dual gate field effect transistor Leonard J. M. Esser, Petrus J. A. M. Van de Wiel, Johannes A. A. van Gils 1987-12-29