Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
Inventor
active
No associations
LandOfFree
Edward Groenendaal does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Edward Groenendaal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Edward Groenendaal will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2907768