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CPC
H04M2215/2066
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
H04M2215/00
Metering arrangements Time controlling arrangements Time indicating arrangements
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H04M2215/2066
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Patents Grants
last 30 patents
Information
Patent Grant
Prepaid cash card
Patent number
5,621,787
Issue date
Apr 15, 1997
Bell Atlantic Network Services, Inc.
Reginald V. McKoy
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Telecommunications switch with programmable call processing and rea...
Publication number
20010036178
Publication date
Nov 1, 2001
Jessel Savory
H04 - ELECTRIC COMMUNICATION TECHNIQUE