Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Marius Den Outer, deceased 1
1 Gerardus H. J. den Hartog 1
1 Gerardus Johannes Martinus Den Hartog 1
1 Gijsbert Versteeg U.S. Philips 1
1 Jacobs J. Spanjer Aardelite Holding B.V. 1