RC

Robert Callet

📍 Chaumont, FR: #16 of 32 inventorsTop 50%
Overall (All Time): #4,117,072 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4215725 Deaerating valve for bagging pulverulent products Henri Jeantet 1980-08-05