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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
06/08/1982
Application #:
06138079
Filing Dt:
04/07/1980
Inventor:
DANIEL W. VAREL
Title:
METHOD FOR MANUFACTURING A ROTARY DRILL BIT HAVING A SOLID FORGED, UNITARY BODY
Assignment: 1
Reel/Frame:
008222/0771Recorded: 01/21/1997Pages: 10
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/16/1997
Assignee:
STE. 600
3379 PEACHTREE RD., N.E.
ATLANTA, GEORGIA 30326
Correspondent:
KING & SPALDING
PAMELA A. ALLEN
191 PEACHTREE STREET
ATLANTA, GA 30303
Assignment: 2
Reel/Frame:
009638/0193Recorded: 12/10/1998Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/02/1998
Assignee:
9230 DENTON DRIVE
DALLAS, TEXAS 75235
Correspondent:
BAKER & BOTTS, L.L.P.
HAROLD E. MEIER, ESQ.
2001 ROSS AVENUE
DALLAS, TX 75201
Assignment: 3
Reel/Frame:
009350/0978Recorded: 07/31/1998Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/30/1998
Assignee:
BRANCH OPERATIONS
565 FIFTH AVENUE, 5TH FLOOR
NEW YORK, NEW YORK 10017
Correspondent:
ANDREWS & KURTH, L.L.P.
LINDA DOLE
600 TRAVIS STREET
HOUSTON, TX 77002
Assignment: 4
Reel/Frame:
014186/0438Recorded: 06/06/2003Pages: 13
Conveyance:
FOURTH AMENDMENT TO COLLATERAL ASSIGNMENT
Assignor:
Exec Dt:
10/31/2002
Assignee:
61 GRASSMARKET
P.O. BOX 12, UBERIOR HOUSE
EDINBURGH EH1 2JF, SCOTLAND
Correspondent:
CORPORATION SERVICE COMPANY
AMY LEE BRADY
80 STATE STREET, 6TH FLOOR
ALBANY, NY 12207
Assignment: 5
Reel/Frame:
016097/0250Recorded: 06/06/2005Pages: 6
Conveyance:
RELEASE OF ASSIGNMENT
Assignor:
Exec Dt:
06/01/2005
Assignee:
9230 DENTON DRIVE
DALLAS, TEXAS 75354
Correspondent:
CBC COMPANIES DBA FEDERAL RESEARCH
1030 FIFTEENTH STREET, NW, STE 920
ATTN: PENELOPE J.A. AGODOA
WASHINGTON, DC 20005

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