Didier Grauleau

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Soisy sous Montmorency, FR

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Patents Grantslast 30 patents

Information Patent Grant
Travelling wave tube with a helix-tube delay line attached to a sle...
- Patent number 5,071,055
- Issue date Dec 10, 1991
- Thomson-CSF
- Didier Grauleau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing an impregnated cathode with an integrated gri...
- Patent number 4,459,323
- Issue date Jul 10, 1984
- Thomson-CSF
- Didier Grauleau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solar energy collector
- Patent number 4,153,041
- Issue date May 8, 1979
- Thomson-Brandt
- Didier Grauleau
- F24 - HEATING RANGES VENTILATING