JK

Jan B. Kleijn

HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
📍 Krommenie, NL: #8 of 13 inventorsTop 65%
Overall (All Time): #3,930,134 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838955 Method for the manufacture of hard steel sheet from Al-killed continuous-cast carbon-manganese steel Arie B. C. Edelman, Maarten A. de Haas, Thomas M. Hoogendoorn 1989-06-13