MH

Maarten A. de Haas

HB Hoogovens Groep B.V.: 2 patents #12 of 138Top 9%
📍 Heerhugowaard, NL: #21 of 108 inventorsTop 20%
Overall (All Time): #2,331,295 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 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, Jan B. Kleijn, Thomas M. Hoogendoorn 1989-06-13
4698103 Method of manufacturing dual phase strip steel and steel strip manufactured by the method Thomas M. Hoogendoorn, Johan M. Nijman 1987-10-06