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Patent Assignment Assignee Details
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Assignee Name : TESTING DRILL COLLAR, LTD.
Total Assignments: 2
Assignment: 1
Reel/Frame:010814/0769   Pages: 4
Recorded: 05/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/05/2000
Assignee
1
2452 HIGHWAY 1835
BRECKENRIDGE, TEXAS 76424
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08850915
 
NONE
09025541
 
NONE
09177277
Correspondence name and address
JACKSON WALKER, LLP
THOMAS E. SISSON
112 E. PECAN, SUITE 2100
SAN ANTONIO, TX 75205
Assignment: 2
Reel/Frame:014782/0067   Pages: 3
Recorded: 12/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/26/2003
Assignee
1
102 NORTH COURT STREET
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
BRECKENRIDGE, TEXAS 76424
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08850915
 
NONE
09025541
 
NONE
09177277
 
NONE
09937054
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052, MAIL CODE 1-B-121
DALLAS, TX 75381

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