Multiplex communications
Wide area network
Packet switching
Inventor
active
Call tones in communication networks
Continuity testing in communication networks
Continuity testing with call tone messaging in communication...
Data communication arrangement with embedded matrix switch
Data matrix method and system for distribution of data
No associations
LandOfFree
William Douskalis does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William Douskalis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William Douskalis will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1093777