H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/14, 379/33,
H04M 3/56 (2006.01)
Patent
CA 1031478
Kataoka Tsutomu
Kerman Stephen E.
Shinoi Tsuyoshi
Nippon Tsu Shin Kogyo K.k.
Tie/communications
LandOfFree
Conference call circuit for use in a key telephone system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Conference call circuit for use in a key telephone system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Conference call circuit for use in a key telephone system will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-769911