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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
04/09/2013
Application #:
11733964
Filing Dt:
04/11/2007
Publication #:
Pub Dt:
04/03/2008
Inventors:
Keith A. Roberts, John Henry Burban, Duane E. Lloyd
Title:
SYSTEM AND METHOD TO VENT GAS FROM A BODY CAVITY
Assignment: 1
Reel/Frame:
019146/0430Recorded: 04/11/2007Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/10/2007
Exec Dt:
04/10/2007
Exec Dt:
04/09/2007
Assignee:
5000 TOWNSHIP PARKWAY
ST. PAUL, MINNESOTA 55110
Correspondent:
DAVID G. WILLE
2001 ROSS AVENUE -- BAKER BOTTS L.L.P.
DALLAS, TX 75201
Assignment: 2
Reel/Frame:
022518/0304Recorded: 04/08/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/27/2009
Assignee:
5000 TOWNSHIP PARKWAY
ST. PAUL, MINNESOTA 55110
Correspondent:
DAVID G. WILLE
2001 ROSS AVENUE, SUITE 600
BAKER BOTTS L.L.P.
DALLAS, TX 75201-2980
Assignment: 3
Reel/Frame:
026979/0018Recorded: 09/28/2011Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/18/2011
Assignee:
5000 TOWNSHIP PARKWAY
ST. PAUL, MINNESOTA 55100-5852
Correspondent:
DAVID G. WILLE
2001 ROSS AVENUE, 6TH FLOOR
BAKER BOTTS L.L.P.
DALLAS, TX 75201

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