DM

Dieter Makrutzki

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
RA Ruhrkohle Ag: 1 patents #23 of 88Top 30%
Overall (All Time): #4,115,343 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4211533 Method of hot-briquetting mixtures of coal and coke Gerd Nashan, Josef Langhoff, Joachim W. Lehmann, Kurt Kleisa 1980-07-08