Earth boring bit | Patent Number 06655476

US 06655476 B2
Application Number10283659
Publication NumberUS 20030070845 A1
Pendency1 year, 1 month, 3 days
Filled DateOct 30, 2002
Priority DateFeb 23, 2001
Publication DateApr 17, 2003
Expiration DateDec 2, 2015
Inventor/ApplicantsBrent L. Groce
Willie H. JR. Groce
Willie H. Groce, Jr.
Brent L. Groce
Brian A. Groce
Brian A. JR. Groce
ExaminesSCHOEPPEL, ROGER J
Art Unit3672
Technology Center3600
Assignments
Carr Brian
Current
Groce Jr. Willie H.
Current
Wilkins Alan Brent
Current
Law Firm
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