Telephonic communications
With check operated control
Coin signalling or control
Inventor
active
Answer supervision circuit for paystation telephone with non-mut
Circuit for firing paystation coin relay using power derived fro
Integrated cocot and regulated paystation telephone system
No associations
LandOfFree
Marcus K. Davenport does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Marcus K. Davenport, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Marcus K. Davenport will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1692336