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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/04/2004
Application #:
09403350
Filing Dt:
01/07/2000
Inventors:
Michael D. Chernichen, Earl M. Jensen, David J Hassan
Title:
COMMUNICATING HORIZONTAL WELL NETWORK
Assignment: 1
Reel/Frame:
014414/0452Recorded: 03/10/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/30/1997
Exec Dt:
04/30/1997
Exec Dt:
04/30/1997
Assignee:
200 EAST RANDOLPH
CHICAGO, ILLINOIS 60601
Correspondent:
BP AMERICA INC.
ATTN: DOCKET CLERK BP LEGAL
MAIL CODE 5EAST
4101 WINFIELD ROAD
WARRENVILLE, ILLINOIS 60555
Assignment: 2
Reel/Frame:
014425/0915Recorded: 03/12/2004Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/31/1998
Assignee:
4101 WINFIELD ROAD
WARRENVILLE, ILLINOIS 60555
Correspondent:
BP AMERICA INC.
JAMES A. GABALA
4101 WINFIELD ROAD
BP LEGAL, MAIL CODE 5EAST
WARRENVILLE, IL 60555
Assignment: 3
Reel/Frame:
014434/0580Recorded: 03/16/2004Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/01/2001
Assignee:
4101 WINFIELD ROAD
BP LEGAL, MAIL CODE 5 EAST
WARRENVILLE, ILLINOIS 60555
Correspondent:
BP AMERICA INC.
JAMES A. GABALA
4101 WINFIELD ROAD
BP LEGAL, ATTN: DOCKET CLERK
WARRENVILLE, IL 60555

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