Alain Berthelot

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Evreux, FR

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Patents Grantslast 30 patents

Information Patent Grant
Connections between a motor assembly and a contact unit base of an...
- Patent number 4,309,682
- Issue date Jan 5, 1982
- Relais Signalisation Automatisme, Societe Anonyme
- Daniel Arnoux
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic relay with double-breaking contacts
- Patent number 4,216,452
- Issue date Aug 5, 1980
- Societe Chauvin Arnoux
- Daniel Arnoux
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnet magnetic circuit with permanent-magnet armature
- Patent number 4,191,937
- Issue date Mar 4, 1980
- Manufacture Francaise d'Appareils Electriques de Mesure
- Gerard Koehler
- H01 - BASIC ELECTRIC ELEMENTS