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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
08/07/1984
Application #:
06478220
Filing Dt:
03/24/1983
Inventor:
JOHN R. CUMMINGS
Title:
CENTRIFUGAL SEPARATOR
Assignment: 1
Reel/Frame:
004137/0269Recorded: 03/24/1983Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/16/1983
Assignee:
MASSACHUSETTS
Correspondent:
EDGAR H. KENT
28 STATE ST., STE. 2100
BOSTON, MA 02109
Assignment: 2
Reel/Frame:
005048/0923Recorded: 05/01/1989Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/12/1988
Assignee:
100 FEDERAL ST.
BOSTON,, MASSACHUSETTS
Correspondent:
BINGHAM, DANA & GOULD
150 FEDERAL ST.
BOSTON, MA 02110
Assignment: 3
Reel/Frame:
006062/0639Recorded: 03/31/1992Pages: 8
Conveyance:
RELEASE OF A SECURITY AGREEMENT BY THE SECURED PARTY RECORDED ON AUG. 12, 1988. (SEE DOC FOR DETAILS)
Assignor:
Exec Dt:
06/01/1989
Assignee:
A CORPORATION OF MA
Correspondent:
BAKER HUGHES INCORPORATED
CARL A. ROWOLD
3900 ESSEX LANE, SUITE 1200
P.O. BOX 4740
HOUSTON, TX 77210
Assignment: 4
Reel/Frame:
006673/0621Recorded: 08/30/1993Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/30/1990
Assignee:
3900 ESSEX LANE, HOUSTON, TX 77027
TEXAS
Correspondent:
CARL A. ROWOLD
3900 ESSEX LANE
HOUSTON, TX 77027

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