Assignee
Inventors
- Erik Roelof Loopstra (328 patents)
- Wilhelmus Petrus De Boeij (19 patents)
- Hans Butler (152 patents)
- Robertus Johannes Marinus De Jongh (11 patents)
- Jan Bernard Plechelmus Van Schoot (51 patents)
- Timotheus Franciscus Sengers (60 patents)
- Maurice Willem Jozef Etiënne Wijckmans (19 patents)
- Franciscus Johannes Joseph Janssen (47 patents)