WG

Wilhelm Graffenberger

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #1,283,974 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5963081 Circuit arrangement having at least two signal paths Udo Schillhof 1999-10-05
4608502 I.sup.2 L gate circuit arrangement having a switchable current source Eise C. Dijkmans, Ernst A. Kilian 1986-08-26
4439739 Circuit arrangement with electronically controllable transfer characteristic Ernst A. Kilian, Eise C. Dijkmans, Rudy J. van de Plassche 1984-03-27
4419752 Circuit arrangement for transmitting two signals over one line in opposite directions Paul Sonnenberger, Adriaan Cense, Petrus A. M. Van Westen 1983-12-06