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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
7668707
Issue Dt:
02/23/2010
Application #:
12258876
Filing Dt:
10/27/2008
Publication #:
20090138213
Pub Dt:
05/28/2009
Inventors:
James William Watts III, Graham Fleming, Qin Lu
Title:
SYSTEMS AND METHODS FOR THE DETERMINATION OF ACTIVE CONSTRAINTS IN A NETWORK USING SLACK VARIABLES AND PLURALITY OF SLACK VARIABLE MULTIPLIERS
Assignment: 1
Reel/Frame:
021851/0715Recorded: 11/18/2008Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
WATTS III, JAMES WILLIAM
Exec Dt:
03/19/2008
FLEMING, GRAHAM
Exec Dt:
03/12/2008
LU, QIN
Exec Dt:
03/12/2008
Assignee:
LANDMARK GRAPHICS CORPORATION, A HALLIBURTON COMPANY
P. O. BOX 42806
HOUSTON, TEXAS 77242
Correspondent:
CRAIN CATON & JAMES
1401 MCKINNEY, STE. 1700
ATTN: WILLIAM P. JENSEN
HOUSTON, TX 77010
Assignment: 2
Reel/Frame:
027181/0718Recorded: 11/06/2011Pages: 7
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 021851 FRAME 0715. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors:
WATTS, JAMES WILLIAM, III
Exec Dt:
06/20/2011
FLEMING, GRAHAM
Exec Dt:
06/10/2011
LU, QIN
Exec Dt:
06/10/2011
Assignee:
LANDMARK GRAPHICS CORPORATION
P. O. BOX 42806
HOUSTON, TEXAS 77242
Correspondent:
CRAIN CATON & JAMES
1401 MCKINNEY, SUITE 1700
ATTN: W. P. JENSEN
HOUSTON, TX 77010

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