Robert Richard

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Patents Grantslast 30 patents

Information Patent Grant
Sash door for a closed fireplace
- Patent number 5,052,371
- Issue date Oct 1, 1991
- Fondis, S.A.
- Richard Robert
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Process of improved postcombustion with rapid triggering and means...
- Patent number 4,976,207
- Issue date Dec 11, 1990
- Fondis, S.A.
- Robert Richard
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES