Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of subscriber loop or terminal
Inventor
active
Remote isolation test apparatus
Test apparatus for a subscriber line
No associations
LandOfFree
Joseph B. Roberts does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Joseph B. Roberts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joseph B. Roberts will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1475391