IP Library › Assignment 015861/0674
Patent Assignment
Reel/Frame 015861/0674

Assignment of Assignor's Interest

Recorded: 2005-04-06 Pages: 5
Assignor
Assignee
NQL ENERGY SERVICES CANADA LTD.
1507 - 4 STREET, NISKU, ALBERTA, T9E 7M9, CANADA
Covered Properties (2)
Rotary Steerable Drilling Tool
Patent: 6,595,303 →
Application: 09/907,480 →
Publication: US 2002/0053470
Rotary Steerable Drilling Tool and Associated Method of Use
Patent: 6,892,830 →
Application: 10/409,799 →
Publication: US 2003/0188892
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 10, 2001
From: NOE, PAUL; KUTINSKY, DAVID P.
To: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
Reel/Frame 012152/0656 →
Corrective Assignment to Correct the Assignee's Address Previously Recorded on Reel 012152, Frame 0656. Assignor Hereby Confirms the Assignment of the Entire Interest. Dec 27, 2001
From: NOE, PAUL; KUTINSKY, DAVID P.
To: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
Reel/Frame 012402/0478 →
Assignment of Assignor's Interest Jul 23, 2004
From: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
To: NQL ENERGY SERVICES CANADA LTD.
Reel/Frame 014892/0194 →
Assignment of Assignor's Interest Apr 30, 2008
From: NQL ENERGY SERVICES CANADA LTD.
To: NATIONAL OILWELL VARCO, L.P.
Reel/Frame 020876/0333 →
Assignment of Assignor's Interest Jun 2, 2008
From: NOE, PAUL; KUTINSKY, DAVID P.
To: CANADIAN DOWNHOLE DRILL SYSTEMS, INC.
Reel/Frame 021018/0944 →