Patent Assignment
Reel/Frame 007425/0215
Assignment of Assignor's Interest
Recorded: 1995-02-28
Pages: 3
Assignors
LIVINGSTONE, RAYMOND DEAN
Executed: 1995-02-22
KUTINSKY, DAVID
Executed: 1995-02-22
WILSON, MURRAY
Executed: 1995-02-22
SMITH, WINSTON
Executed: 1995-02-22
Assignee
CANADIAN DOWNHOLE DRILL SYSTEMS INC.
1802 - 4TH STREET P.O. BOX 602, NISKU, ALBERTA T0C 2G0, CANADA
Covered Property
(1)
Surface Adjustable Adjustable Bent Housing
Patent:
5,495,901 →
Application:
08/395,995 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Sep 12, 2003
From: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 014506/0446 →
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 →