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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/28/2001
Application #:
09201925
Filing Dt:
12/01/1998
Inventors:
MICHAEL LEE FRAIM, DENNIS C. WEGENER, DAVID R. ZORNES, DANIEL R. MALONEY et al
Title:
HEAVY OIL VISCOSITY REDUCTION AND PRODUCTION
Assignment: 1
Reel/Frame:
009805/0429Recorded: 02/26/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/22/1999
Exec Dt:
01/22/1999
Exec Dt:
01/22/1999
Exec Dt:
01/22/1999
Assignee:
POST OFFICE BOX 2443
BARTLESVILLE, OKLAHOMA 74005
Correspondent:
MCAFEE & TAFT
C. CLARK DOUGHERTY, JR.
211 N. ROBINSON
10TH FLOOR
OKLAHOMA CITY, OK 73102
Assignment: 2
Reel/Frame:
022783/0989Recorded: 06/08/2009Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY - IP SERVICES GRO
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TX 77079-1175

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