AS

Andre Schaeffer

📍 Les Mureaux, FR: #28 of 62 inventorsTop 50%
Overall (All Time): #4,035,670 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4452876 Steam, water or heat developing diazotype material Antoine Wagner 1984-06-05