Mai T. Xuan

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Chavannes, CH

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Patents Grantslast 30 patents

Information Patent Grant
Device comprising a solar cell for winding a barrel spring
- Patent number 4,901,295
- Issue date Feb 13, 1990
- Asulab S.A.
- Daho Taguezout
- G04 - HOROLOGY
Information Patent Grant
Method of energizing a stepping motor
- Patent number 4,590,412
- Issue date May 20, 1986
- Omega S.A.
- Mohamed Mokdad
- G04 - HOROLOGY
Information Patent Grant
Electromagnetic stepping motor with two coupled rotors
- Patent number 4,563,604
- Issue date Jan 7, 1986
- Omega S.A.
- Mai T. Xuan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Winding for subjecting the rotor of a stepping motor to two magneti...
- Patent number 4,546,278
- Issue date Oct 8, 1985
- Omega S.A.
- Mai T. Xuan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Movement detector for a stepping motor
- Patent number 4,323,834
- Issue date Apr 6, 1982
- Societe Suisse pour l'Industrie Horlogere Management Services S.A.
- Mai T. Xuan
- G04 - HOROLOGY