Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
Inventor
active
No associations
LandOfFree
John-Gustaf Gudmundson does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John-Gustaf Gudmundson, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John-Gustaf Gudmundson will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1279085