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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
04/24/1984
Application #:
06397945
Filing Dt:
07/13/1982
Inventors:
GEOGE L. BROWNELL, MELBA J. COLLIER, WILLIAM E. HALL, HOWARD H. MORGAN JR. et al
Title:
METHOD OF REMOVAL OF COS FROM PROPYLENE
Assignment: 1
Reel/Frame:
004052/0905Recorded: 07/13/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/01/1982
Exec Dt:
07/01/1982
Exec Dt:
07/01/1982
Assignee:
PITTSBURGH, PENNSYLVANIA
Correspondent:
W. GARY GOODSON
UNITED STATES STEEL CORP.
LAW DEPARTMENT
600 GRANT ST.
PITTSBURGH, PA 15230
Assignment: 2
Reel/Frame:
004035/0353Recorded: 07/13/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/02/1982
Exec Dt:
07/02/1982
Assignee:
PITTSBURGH, PENNSYLVANIA
Correspondent:
W. GARY GOODSON
UNITED STATES STEEL CORP.
LAW DEPARTMENT
600 GRANT ST.
PITTSBURGH, PA 15230
Assignment: 3
Reel/Frame:
004681/0925Recorded: 12/12/1986Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/30/1986
Exec Dt:
07/30/1986
Assignee:
600 GRANT STREET
PITTSBURGH, PENNSYLVANIA 15230
Correspondent:
UNITED STATES STEEL CORP.
LAW DEPT.
600 GRANT STREET
PITTSBURGH, PA 15230
Assignment: 4
Reel/Frame:
005294/0818Recorded: 05/04/1990Pages: 12
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/18/1990
Assignee:
Correspondent:
MAYER, BROWN & PLATT
2000 PENNSYLVANIA AVE., N.W.
WASHINGTON, DC 20006

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