4 Patents
#1 in Voorthuizen
#1,305 in Netherlands
Technisch Ontwikkelingsbureau Van Elten B.v.
Forward Citations = 54
3 inventors:
3 inventors (with patents filed for the assignee):
Hugo V De Vries (3 out of 7 patents)
Gerrit Jan Van Elten (3 out of 4 patents)
Antonius Hurkmans (3 out of 4 patents)
4 patents:
#1 in Voorthuizen
#1,305 in Netherlands
3 inventors: