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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/09/1989
Application #:
07142890
Filing Dt:
01/11/1988
Inventor:
CHERRY C. CHIAO
Title:
SURFACE MODIFIED GAS SEPARATION MEMBRANES
Assignment: 1
Reel/Frame:
004991/0774Recorded: 01/03/1989Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/30/1986
Assignee:
Correspondent:
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MI 48641-1967
Assignment: 2
Reel/Frame:
008194/0583Recorded: 10/22/1996Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/18/1996
Assignee:
400 WEST SAM HOUSTON PARKWAY SOUTH
HOUSTON, TEXAS 77042
Correspondent:
DANIEL H. GOLUB
1650 MARKET STREET
2500 ONE LIBERTY PLAE
PHILADELPHIA, PA 19103

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