Earth boring bit | Patent Publication Number 20030070845
US 20030070845 A1Patent NumberUS 06655476 B2
Application Number10283659
Filled DateOct 30, 2002
Priority DateFeb 23, 2001
Publication DateApr 17, 2003
Original Assignee
Current AssigneeCarr Brian
Groce Jr. Willie H.
Wilkins Alan Brent
Groce Jr. Willie H.
Wilkins Alan Brent
Inventor/ApplicantsBrian A. JR. Groce
Brent L. Groce
Willie H. JR. Groce
Brent L. Groce
Willie H. Groce, Jr.
Brian A. Groce
Brent L. Groce
Willie H. JR. Groce
Brent L. Groce
Willie H. Groce, Jr.
Brian A. Groce
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