LJ

Libbe Jonkman

📍 Drachten, NL: #5 of 24 inventorsTop 25%
Overall (2011): #234,179 of 364,097Top 65%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7909802 Device for inserting a drain and handle for such a device Bruno Sauter, Jacob Wilkens 2011-03-22