Francis Boyer

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Elancourt, FR

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Patents Grantslast 30 patents

Information Patent Grant
Gyroscopic artificial horizon
- Patent number 4,882,845
- Issue date Nov 28, 1989
- Societe Francaise d'Equipements pour la Navigation Aerienne S.F.E.N.A.
- Francis Boyer
- G01 - MEASURING TESTING
Information Patent Grant
Method of and apparatus for indicating the geographical position of...
- Patent number 4,053,893
- Issue date Oct 11, 1977
- Societe Francaise d'Equipements pour la Navigation Aerienne S.F.E.N.A.
- Francis Boyer
- G01 - MEASURING TESTING