IP Library › Assignment 010478/0579
Patent Assignment
Reel/Frame 010478/0579

Assignment of Assignor's Interest

Recorded: 1999-12-22 Pages: 3
Assignors
ABDALLAH, ALI H.
Executed: 1999-12-15
BEATTIE, MARK S.
Executed: 1999-12-15
Assignee
W-H ENERGY SYSTEMS, INC.
10370 RICHMOND AVENUE, HOUSTON, TEXAS, 77042
Covered Property (1)
Technique for Signal Detection Using Adaptive Filtering in Mud Pulse Telemetry
Patent: 6,308,562 →
Application: 09/469,989 →
Related Assignments (9)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Dec 22, 2000
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, AS ADMINISTRATIVE AGENT
Reel/Frame 011461/0670 →
Security Interest Nov 14, 2003
From: W-H ENERGY SERVICES, INC.
To: WELLS FARGO BANK TEXAS, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 014692/0797 →
Security Agreement Feb 24, 2005
From: W-H ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015698/0530 →
Corrective Assignment to Correct the Name of Receiving Party Previously Recorded on Reel 010478 Frame 0579. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest to W-H Energy Services, Inc.. Feb 2, 2009
From: ABDALLAH, ALI H; BEATTIE, MARK S
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022177/0964 →
Assignment of Assignor's Interest Feb 10, 2009
From: W-H ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0083 →
Release of Security Interest Apr 7, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022510/0751 →
Release of Security Interest Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022520/0291 →
Release of Security Interest Apr 8, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS SUCCESSOR BY MERGER TO WELLS FARGO BANK TEXAS, N.A. (AS ADMINISTRATIVE AGENT)
To: W-H ENERGY SERVICES, INC.
Reel/Frame 022520/0365 →
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →