IP Library Assignment 010584/0019
Patent Assignment
Reel/Frame 010584/0019

Assignment of Assignor's Interest

Recorded: 2000-02-28 Pages: 2
Assignors
RITORTO, LEONARDO
Executed: 2000-01-07
HEINLEY, DAVE L.
Executed: 2000-01-07
Assignee
CANADIAN DOWNHOLE DRILL SYSTEMS, INC.
1802 - 4TH STREET, NISKU, ALABAMA, T9E 7
Covered Property (1)
One Trip Milling System
Patent: 6,302,198 →
Application: 09/450,835 →
Related Assignments (6)
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 Jul 2, 2009
From: NQL ENERGY SERVICES CANADA LTD.
To: SMITH INTERNATIONAL CANADA, LTD.
Reel/Frame 022902/0740 →
Assignment of Assignor's Interest Jan 3, 2020
From: SMITH INTERNATIONAL, INC.
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 051470/0680 →
Abl Patent Security Agreement Mar 17, 2020
From: WELLBORE INTEGRITY SOLUTIONS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 052184/0900 →
Release of Security Interest Jul 20, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 056910/0165 →