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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
01/23/1990
Application #:
07272787
Filing Dt:
11/18/1988
Inventor:
WILLIAM N. SCHOEFFLER
Title:
DIRECTIONAL DRILLING TOOL
Assignment: 1
Reel/Frame:
005251/0810Recorded: 01/22/1990Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/02/1989
Assignee:
P.O. BOX 52302
LAFAYETTE, LA, LOUISIANA 70505
Correspondent:
CAROLYN INGRAHAM-DIETZEN
P.O. BOX 54044
LAFAYETTE, LA 70505
Assignment: 2
Reel/Frame:
007846/0392Recorded: 03/04/1996Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/15/1996
Assignee:
P.O. BOX 80487
LAFAYETTE, LOUISIANA 70598
Correspondent:
JOHN D. JETER
1403 TECHE DRIVE
MARTINVILLE, LA 70582
Assignment: 3
Reel/Frame:
011571/0922Recorded: 03/07/2001Pages: 7
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2000
Assignee:
1105 PETERS ROAD
HARVEY, LOUISIANA 70058
Correspondent:
JONES WALKER
KEITH LANDRY
201 ST. CHARLES AVE.
SUITE 5000
NEW ORLEANS, LOUISIANA 70170
Assignment: 4
Reel/Frame:
011571/0929Recorded: 03/07/2001Pages: 7
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2000
Assignee:
1105 PETERS ROAD
HARVEY, LOUISIANA 70058
Correspondent:
KEITH LANDRY
JONES WALKER
201 ST. CHARLES AVE.
SUITE 5000
NEW ORLEANS, LA 70170
Assignment: 5
Reel/Frame:
027793/0211Recorded: 03/01/2012Pages: 17
Conveyance:
AMENDED AND RESTATED SECURITY AGREEMENT
Assignors:
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Exec Dt:
02/07/2012
Assignee:
1111 FANNIN STREET, FLOOR 10
HOUSTON, TEXAS 77002-6925
Correspondent:
MARCELA ROBLEDO, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017

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