Gijsbert W. Versteeg

Follow

Person

Hilversum, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Combination of a loudspeaking telephone set and a hand set for soft...
- Patent number 4,396,799
- Issue date Aug 2, 1983
- U.S. Philips Corporation
- Klaas R. Franzen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DC Supply for an electronic signalling device
- Patent number 4,376,876
- Issue date Mar 15, 1983
- U.S. Philips Corporation
- Gijsbert W. Versteeg
- G11 - INFORMATION STORAGE