Jean P. Poirier

Follow

Person

Saint Denis, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Hands-free telephone apparatus
- Patent number 5,255,316
- Issue date Oct 19, 1993
- Alcatel N.V.
- Jean-Pierre Poirier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech-amplifier telephone station
- Patent number 4,488,007
- Issue date Dec 11, 1984
- Thomson-CSF Telephone
- Andr/e/ Chataignon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Separation and balance device for telephone exchanges
- Patent number 4,292,479
- Issue date Sep 29, 1981
- Le Materiel Telephonique Thomson-CSF
- Andre Chataignon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE