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

Patent Owner(s)

Patent Owner	Address
IPR LICENSING INC	300 DELAWARE AVE SUITE 527 WILMINGTON DE 19801

International Classification(s)

• H04B:TRANSMISSION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sugar, Gary L	Rockville , US	75	5559
Vaidyanathan, Chandra	Bethesda , US	41	1830

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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
August 04, 2009	US,7570921,B2   US7570921B2	GRANTED PATENT AS SECOND PUBLICATION
November 04, 2004	US,20040219937,A1   US20040219937A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7570921

Systems and methods for improving range for multicast wireless communication

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