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Patent Assignment Abstract of Title

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Total Assignments: 1

Patent #:	6450271	Issue Dt:	09/17/2002	Application #:	09621064	Filing Dt:	07/21/2000
Inventors:	Gordon A. Tibbitts, Danny E. Scott, James L. Overstreet, Terry J. Koltermann, Chih Lin et al
Title:	SURFACE MODIFICATIONS FOR ROTARY DRILL BITS

Assignment: 1

Reel/Frame:

Recorded: 11/17/2000

Pages: 7

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

Exec Dt:

08/24/2000

Exec Dt:

08/16/2000

Exec Dt:

08/16/2000

Exec Dt:

08/15/2000

Exec Dt:

08/16/2000

Exec Dt:

08/16/2000

Exec Dt:

08/15/2000

Assignee:

3900 ESSEX LANE, SUITE 1200

HOUSTON, TEXAS 77027

Correspondent:

TRASK BRITT

JOSEPH A. WALKOWSKI

P.O. BOX 2550

SALT LAKE CITY, UT 84110-2550

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