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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
02/08/2005
Application #:
09872390
Filing Dt:
06/01/2001
Publication #:
Pub Dt:
12/05/2002
Inventor:
Brian Jay Doerksen
Title:
ALTERNATE COKE FURNACE TUBE ARRANGEMENT
Assignment: 1
Reel/Frame:
011877/0904Recorded: 06/01/2001Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/31/2001
Assignee:
1000 S. PINE STREET
PONCA CITY, OKLAHOMA 75603
Correspondent:
CONOCO INC.
OANNE K. PAYNE
P.O. BOX 1267
1000 SOUTH PINE, 2635 RW
PONCA CITY, OK 74602-1267
Assignment: 2
Reel/Frame:
013887/0380Recorded: 08/18/2003Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
P.O. BOX 4783
600 NORTH DAIRY ASHFORD
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY
ANNE E. BROOKES
P.O. BOX 4783 (77210-4783)
600 NORTH DAIRY ASHFORD
HOUSTON, TX 77079-1175
Assignment: 3
Reel/Frame:
026948/0445Recorded: 09/22/2011Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/24/2011
Assignee:
3000 POST OAK BLVD.
MAIL STOP 13
HOUSTON, TEXAS 77056
Correspondent:
CRAIN CATON & JAMES
1401 MCKINNEY, STE. 1700
ATTN: WILLIAM P. JENSEN
HOUSTON, TX 77010
Assignment: 4
Reel/Frame:
027883/0101Recorded: 03/14/2012Pages: 35
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE MISSING SCHEDULE A PREVIOUSLY RECORDED ON REEL 026948 FRAME 0445. ASSIGNOR(S) HEREBY CONFIRMS THE MISSING SCHEDULE A NOW ATTACHED.
Assignor:
Exec Dt:
05/24/2011
Assignee:
3000 POST OAK BLVD.
MAIL STOP 13
HOUSTON, TEXAS 77056
Correspondent:
CRAIN CATON & JAMES
1401 MCKINNEY, SUITE 1700
ATTN: W. P. JENSEN
HOUSTON, TX 77010

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