FN

Frank Niemeijer

HB Hoogovens Groep B.V.: 1 patents #37 of 138Top 30%
📍 Nieuwe Niedorp, NL: #2 of 2 inventorsTop 100%
Overall (All Time): #3,934,074 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4852859 Gastight bottom construction for a shaft furnace Jacobus Van Laar, Ronald J. M. Stokman 1989-08-01