JK

Johannes Kolaska

FK Fried Krupp: 3 patents #29 of 258Top 15%
Overall (All Time): #1,676,304 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4684405 Sintered tungsten carbide material and manufacturing method Norbert Reiter 1987-08-04
4284687 Compound body Klaus Dreyer, Hans Grewe, Norbert Reiter 1981-08-18
4276096 Method for producing hard metal bodies of increased wear resistance Hans Grewe 1981-06-30