Michel E. Royer

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la Balme de Sillingy, FR

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Patents Grantslast 30 patents

Information Patent Grant
Gas flowrate adjustment device for a liquefied-gas lighter
- Patent number 4,666,401
- Issue date May 19, 1987
- S. T. Dupont
- Michel Royer
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Liquefied gas apparatus
- Patent number 4,177,646
- Issue date Dec 11, 1979
- S. T. Dupont
- Laurent J. Guadagnin
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS