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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
NONE
Issue Dt:
Application #:
12863139
Filing Dt:
07/15/2010
Publication #:
Pub Dt:
03/03/2011
PCT #:
US0931269
Inventors:
David P. Duckworth, Ping C. Sui, Liwen Wei
Title:
HIGH PERFORMANCE ROCK BIT GREASE
Assignment: 1
Reel/Frame:
022637/0319Recorded: 05/05/2009Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/22/2009
Exec Dt:
04/22/2009
Exec Dt:
04/26/2009
Assignee:
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072-5299
Correspondent:
BAKER BOTTS L.L.P./PATENTS
98 SAN JACINTO BLVD
1500 SAN JACINTO CENTER
AUSTIN, CA 78701
Assignment: 2
Reel/Frame:
024692/0846Recorded: 07/15/2010Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/22/2009
Exec Dt:
04/22/2009
Exec Dt:
04/26/2009
Assignee:
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072-5299
Correspondent:
BAKER BOTTS L.L.P. PATENT DEPARTMENT
98 SAN JACINTO BLVD., SUITE 1500
AUSTIN, TX 78701-4039

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