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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
Issue Dt:
09/10/1996
Application #:
08312094
Filing Dt:
09/26/1994
Inventor:
DANIEL MING-KWONG WOO
Title:
LOW DISTORTION GEOPHONE SPRING
Assignment: 1
Reel/Frame:
007182/0184Recorded: 09/26/1994Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/12/1994
Assignee:
25 BETHRIDGE ROAD
REXDALE ONTARIO, CANADA M9W 1
Correspondent:
VADEN, EICKENROHT, THOMPSON, BOULWARE
& FEATHER, L.L.P. - SARAH T. HARRIS
ONE RIVERWAY, SUITE 1100
HOUSTON, TEXAS 77056
Assignment: 2
Reel/Frame:
011627/0056Recorded: 03/15/2001Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/22/2000
Assignee:
17200 PARK ROW
HOUSTON, TEXAS 77084
Correspondent:
BRACEWELL & PATTERSON, L.L.P.
TIM COOK
711 LOUISIANA STREET, SUITE 2900
HOUSTON, TEXAS 77002-2781
Assignment: 3
Reel/Frame:
018923/0499Recorded: 02/23/2007Pages: 13
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
01/12/2007
Exec Dt:
01/12/2007
Assignee:
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Correspondent:
CBCINNOVIS DBA FEDERAL RESEARCH
1023 FIFTEENTH STREET, NW, STE 401
ATTN: OLEH HERELIUK
WASHINGTON, DC 20005
Assignment: 4
Reel/Frame:
018923/0611Recorded: 02/26/2007Pages: 13
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
01/12/2007
Exec Dt:
01/12/2007
Assignee:
ONE CABOT SQUARE
LONDON, UNITED KINGDOM E14 4QJ
Correspondent:
CBCINNOVIS DBA FEDERAL RESEARCH
1023 FIFTEENTH STREET, NW, STE 401
ATTN: OLEH HERELIUK
WASHINGTON, DC 20005
Assignment: 5
Reel/Frame:
018923/0586Recorded: 02/23/2007Pages: 13
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
02/07/2007
Exec Dt:
02/07/2007
Assignee:
11 MADISON AVENUE
NEW YORK, NEW YORK 10010
Correspondent:
CBCINNOVIS DBA FEDERAL RESEARCH
1023 FIFTEENTH STREET, NW, STE 401
ATTN: OLEH HERELIUK
WASHINGTON, DC 20005
Assignment: 6
Reel/Frame:
031051/0062Recorded: 08/21/2013Pages: 17
Conveyance:
RELEASE OF SECURITY AGREEMENT
Assignor:
Exec Dt:
07/18/2013
Assignees:
17200 PARK ROW
HOUSTON, TEXAS 77084
10300 TOWN PARK DRIVE
HOUSTON, TEXAS 77072
Correspondent:
IP RESEARCH PLUS, INC.
21 TADCASTER CIRCLE
ATTN: PENELOPE J.A. AGODOA
WALDORF, MD 20602
Assignment: 7
Reel/Frame:
031059/0186Recorded: 08/22/2013Pages: 17
Conveyance:
RELEASE OF SECURITY AGREEMENT
Assignor:
Exec Dt:
07/18/2013
Assignees:
17200 PARK ROW
HOUSTON, TEXAS 77084
10300 TOWN PARK DRIVE
HOUSTON, TEXAS 77072
Correspondent:
IP RESEARCH PLUS, INC.
21 TADCASTER CIRCLE
ATTN: PENELOPE J.A. AGODOA
WALDORF, MD 20602

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