JD

Johannes Willem Douma

BB Berg Toys Beheer B.V.: 2 patents #2 of 6Top 35%
📍 Maarssen, NL: #1 of 5 inventorsTop 20%
Overall (2017): #139,616 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D778789 Chain guard Hendrik van den Berg 2017-02-14
D778369 Go kart Hendrik van den Berg 2017-02-07