RL

Raymond Louis

GF Gaz De France: 2 patents #19 of 236Top 9%
📍 Montmagny, FR: #5 of 20 inventorsTop 25%
Overall (All Time): #2,340,821 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4712774 Device for the melting of light metals 1987-12-15
4642049 Process for preheating a combustive gas by means of combustion gases and preheating device associated with a burner for carrying out the said process 1987-02-10