Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Robert G. C. Jonker 2
2 Petrus J. L. C. van Ulden 1
2 Jan Drenthen Krohne Ag 1
2 Andreas H. W. M. Cornelissen 1
2 Age Bakker Cooperatieve Vereniging Suiker Unie U.A. 1