WN

Willem R. Nagtegaal

📍 Chur, CH: #23 of 57 inventorsTop 45%
Overall (2021): #186,147 of 548,734Top 35%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D936714 Drill bit 2021-11-23