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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
03/13/2012
Application #:
12316951
Filing Dt:
12/18/2008
Publication #:
Pub Dt:
06/24/2010
Inventors:
Herbert Estrada, Ernest Hauser, Matthew Mihalcin, Donald R. Augenstein
Title:
METHOD AND APPARATUS FOR DETECTING VOIDS IN A PIPE
Assignment: 1
Reel/Frame:
022223/0650Recorded: 02/05/2009Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/21/2009
Exec Dt:
01/21/2009
Exec Dt:
01/26/2009
Assignee:
P.O. BOX 1212
HOUSTON, TEXAS 77251
Correspondent:
ANSEL M. SCHWARTZ, ATTORNEY AT LAW
201 N. CRAIG STREET
SUITE 304
PITTSBURGH, PA 15213
Assignment: 2
Reel/Frame:
022223/0644Recorded: 02/05/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/22/2009
Assignee:
P.O. BOX 1212
HOUSTON, TEXAS 77251
Correspondent:
ANSEL M. SCHWARTZ, ATTORNEY AT LAW
201 N. CRAIG STREET
SUITE 304
PITTSBURGH, PA 15213
Assignment: 3
Reel/Frame:
051420/0912Recorded: 12/26/2019Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/27/2019
Assignee:
200 WESTLAKE PARK BLVD
HOUSTON, TEXAS 77079
Correspondent:
FOLEY & LARDNER LLP
3000 K STREET, NW
SUITE 600
WASHINGTON, DC 20007-5109

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