JD

Jacob Drijftholt

📍 Schagen, NL: #5 of 23 inventorsTop 25%
Overall (All Time): #2,326,162 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4962698 Apparatus for refining oils or fats Johannes C. M. van den Berg 1990-10-16
4957758 Method for refining oils or fats Johannes C. M. van den Berg 1990-09-18