Telephonic communications
Emergency or alarm communications
Central station with plural substations
Inventor
active
No associations
LandOfFree
Jan Ruus does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jan Ruus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jan Ruus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-532654