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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
AT&T	32 AVENUE OF THE AMERICAS NEW YORK NY 10013-2412

International Classification(s)

• H04J:MULTIPLEX COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Yihsiu	Middletown, US	36	662
Fisher, Steve	Morristown, US	40	827
Foladare, Mark J	East Brunswick, US	28	1582
Glazer, Samuel	New York, US	16	290
Goldman, Shelley B	East Brunswick, US	95	5094
Kowalski, Thaddeus	Summit, US	5	38

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 11, 2010	US,7715421,B2   US7715421B2	GRANTED PATENT AS SECOND PUBLICATION
August 18, 2005	US,20050180457,A1   US20050180457A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7715421

Third party call control of all phones

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