SD

Serge L. Delessard

CF Charbonnages De France: 1 patents #4 of 8Top 50%
📍 Forbach, FR: #2 of 2 inventorsTop 100%
Overall (1982): #31,820 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338160 Process for drying and/or preheating coal Roger M. Puff 1982-07-06