Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of network terminating interface, subscriber trunk...
Inventor
active
Interface device for testing a telecommunication circuit
Interface device for testing a telecommunication circuit
No associations
LandOfFree
John Matuszewski 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 Matuszewski, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Matuszewski will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2186165