JE

Jan B. Elzerman

AB Amsterdamse Ballast Bagger En Grond (Amsterdam Ballast Dredging) B.V.: 1 patents #2 of 10Top 20%
BN Ballast-Nedam Groep N.V.: 1 patents #2 of 16Top 15%
Overall (All Time): #4,055,767 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4397587 Method of constructing an artificial island and island constructed by the same Jan Op den Velde, Klaas Oterdoom 1983-08-09