RP

Roger M. Puff

CF Charbonnages De France: 3 patents #1 of 8Top 15%
📍 Freyming-Merlebach, FR: #1 of 3 inventorsTop 35%
Overall (1982): #3,365 of 81,411Top 5%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4344769 Process and installation for treating coking coal Jean-Claude Kita 1982-08-17
4338160 Process for drying and/or preheating coal Serge L. Delessard 1982-07-06
4321032 Process for the treatment of combustible granular and/or pulverulent material by drying and/or heating, and an installation for carrying out the process Henri Brice, Jean-Claude Kita 1982-03-23