Patent Assignment
Reel/Frame 007591/0267
Assignment of Assignor's Interest
Recorded: 1995-07-26
Pages: 4
Assignors
NOE, PAUL
Executed: 1995-07-12
KUTINSKY, DAVID
Executed: 1995-07-14
BLACK MAX DOWNHOLE TOOL LTD.
Executed: 1995-07-14
Assignee
CANADIAN DOWNHOLE DRILL SYSTEMS INC.
1802 - 4TH STREET, NISKU, ALBERTA, T9E 7, CANADA
Covered Property
(1)
Downhole Sub for Directional Drilling
Patent:
5,638,910 →
Application:
08/507,776 →
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 →