1 Patents
#4 in Baarn
#3,291 in Netherlands
Polygram International Holding
Forward Citations = 2
3 inventors:
3 inventors (with patents filed for the assignee):
Johannes J Roering (1 out of 5 patents)
Jozef M Duurland (1 out of 7 patents)
Willem L Van Der Kruk (1 out of 4 patents)
1 patent:
#4 in Baarn
#3,291 in Netherlands
3 inventors: