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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
Issue Dt:
03/07/2000
Application #:
09052310
Filing Dt:
03/31/1998
Inventor:
JOHN H. FOWLER
Title:
BI-DIRECTIONAL PRESSURE-ENERGIZED METAL SEAL
Assignment: 1
Reel/Frame:
009145/0579Recorded: 03/31/1998Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/27/1998
Assignee:
3300 NORTH SAM HOUSTON PARKWAY, E.
HOUSTON, TEXAS 77032
Correspondent:
FISH & RICHARDSON P.C.
ADENIKE A. ADEWUYA
ONE RIVERWAY, SUITE 1200
HOUSTON, TX 77056
Assignment: 2
Reel/Frame:
014499/0197Recorded: 09/23/2003Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/01/2002
Assignee:
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Correspondent:
ROSENTHAL & OSHA L.L.P.
JONATHAN P. OSHA
1221 MCKINNEY
SUITE 2800
HOUSTON, TEXAS 77010
Assignment: 3
Reel/Frame:
014763/0830Recorded: 12/02/2003Pages: 15
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/22/2003
Assignee:
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Correspondent:
ROSENTHAL & OSHA L.L.P.
JONATHAN P. OSHA
1221 MCKINNEY, SUITE 2800
HOUSTON, TEXAS 77010
Assignment: 4
Reel/Frame:
020710/0717Recorded: 03/28/2008Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/29/2007
Assignee:
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032-3411
Correspondent:
OSHA LIANG, LLP
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 5
Reel/Frame:
020710/0950Recorded: 03/28/2008Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/19/2007
Assignee:
3300 NORTH SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77032-3411
Correspondent:
OSHA LIANG, LLP
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:
021050/0491Recorded: 06/05/2008Pages: 14
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/01/2008
Assignee:
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Correspondent:
JEFFREY S. BERGMAN
1221 MCKINNEY
SUITE 2800
HOUSTON, TX 77010

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