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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
10/10/2006
Application #:
10065144
Filing Dt:
09/20/2002
Publication #:
Pub Dt:
06/26/2003
Inventors:
Frank F. Chang, Diankui Fu
Title:
NOVEL FLUID SYSTEM HAVING CONTROLLABLE REVERSIBLE VISCOSITY
Assignment: 1
Reel/Frame:
013344/0458Recorded: 09/30/2002Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/18/2002
Exec Dt:
09/19/2002
Assignee:
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
CATHERINE MENES
110 SCHLUMBERGER DRIVE, MD1
IP DEPT., WELL STIMULATION
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:
050592/0605Recorded: 10/01/2019Pages: 10
Conveyance:
MERGER AND CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
07/25/2017
Newly Merged Entity Data
Exec Dt:
07/25/2017
Newly Merged Entity's New Name:
GRUGAPLATZ 4
ESSEN, GERMANY D-45131
Correspondent:
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103

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