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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
07/19/1988
Application #:
07046315
Filing Dt:
05/06/1987
Inventors:
E. KEITH MITCHELL, DONALD N. REED, THOMAS L. RODKEY
Title:
PROCESS FOR RECOVERING HELIUM FROM A NATURAL GAS STREAM
Assignment: 1
Reel/Frame:
004707/0183Recorded: 05/06/1987Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
05/04/1987
Exec Dt:
05/04/1987
Exec Dt:
05/04/1987
Assignee:
KERR-MCGEE CENTER
OKLAHOMA CITY, OKLAHOMA 73125
Correspondent:
WILLIAM G. ADDISON
KERR-MC GEE CENTER
OKLAHOMA CITY, OK 73125
Assignment: 2
Reel/Frame:
016418/0756Recorded: 08/19/2005Pages: 14
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
05/24/2005
Assignee:
P.O. BOX 2558
HOUSTON, TEXAS 77252
Correspondent:
ROBYN RAHBAR, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017
Assignment: 3
Reel/Frame:
017045/0453Recorded: 01/23/2006Pages: 5
Conveyance:
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS (PREVIOUSLY RECORDED AT REEL 16418 FRAME 0756)
Assignor:
Exec Dt:
01/09/2006
Assignee:
123 ROBERT S. KERR AVENUE
OKLAHOMA CITY, OKLAHOMA 73102
Correspondent:
MARK SOLOMON, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017

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