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

Patent Owner(s)

Patent Owner	Address
ENVENTURE GLOBAL TECHNOLOGY L L C	15995 NORTH BARKERS LANDING SUITE 350 HOUSTON TX 77079

International Classification(s)

• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brisco, David Paul	Duncan, OK	112	4204
Bullock, Michael	Houston, TX	26	1464
Cook, Robert Lance	Katy, TX	134	4674
Costa, Scott	Kingwood, TX	40	614
Hockaday, Joel Gray	Tomball, TX	3	94
Kendziora, Larry	Needville, TX	13	220
Ring, Lev	Houston, TX	188	5787
Waddell, Kevin K	Houston, TX	33	662

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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

Full Text

US Patent Application No: 2005/0015,963

Protective sleeve for threaded connections for expandable liner hanger

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