Dial and multifrequency telephone system employing ringing...

Details Dial and multifrequency telephone system employing ringing... Dial and multifrequency telephone system employing ringing...

H - Electricity

04

Q

379/86

H04Q 5/16 (2006.01) H04M 9/00 (2006.01)

Patent

CA 925635

Affiliated with

Also associated with

Rating

Dial and multifrequency telephone system employing ringing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dial and multifrequency telephone system employing ringing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dial and multifrequency telephone system employing ringing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-253483