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

Patent Owner(s)

Patent Owner	Address
SDGI HOLDINGS INC	300 DELAWARE AVENUE SUITE 508 WILMINGTON DE 19801

International Classification(s)

• A61B:DIAGNOSIS; SURGERY; IDENTIFICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Haddock, Sean M	Memphis, US	39	1243
Justis, Jeff J	Germantown, US	8	533
Simonton, T Andrew	Memphis, US	21	2461

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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
November 30, 2010	US,7842038,B2   US7842038B2	GRANTED PATENT AS SECOND PUBLICATION
November 08, 2007	US,20070260255,A1   US20070260255A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2007/0260,255

Method for using retractable stylet and cannula combination to form an opening in bone

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