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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/11/2001
Application #:
09429067
Filing Dt:
10/29/1999
Inventors:
DONALD A. FREDERICK, MICHAEL J. CARTER, SAMUEL FERSHT, DAVID C. WINSLOW
Title:
ACOUSTIC SENSING SYSTEM FOR DOWNHOLE SEISMIC APPLICATIONS UTILIZING AN ARRAY OF FIBER OPTIC SENSORS
Assignment: 1
Reel/Frame:
010606/0933Recorded: 02/15/2000Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/07/2000
Exec Dt:
01/21/2000
Exec Dt:
01/07/2000
Exec Dt:
01/07/2000
Assignee:
21240 BURBANK BOULEVARD
WOODLAND HILLS, CALIFORNIA 91367
Correspondent:
KNOBBE, MARTENS ET AL
TERRY T. SEWELL
620 NEWPORT CENTER DRIVE
SIXTEENTH FLOOR
NEWPORT BEACH, CA 92660
Assignment: 2
Reel/Frame:
025597/0505Recorded: 01/07/2011Pages: 399
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/04/2011
Assignee:
1840 CENTURY PARK EAST
LOS ANGELES, CALIFORNIA 90067-2199
Correspondent:
ALSTON & BIRD LLP
BANK OF AMERICA PLAZA
101 SOUTH TRYON STREET, SUITE 4000
CHARLOTTE, NC 28280-4000

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