Patent Assignment
Reel/Frame 024606/0433
Assignment of Assignor's Interest
Recorded: 2010-06-29
Pages: 3
Assignor
ERVIN, DAVID L.
Executed: 2010-06-21
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Properties
(2)
Downhole Tools and Methods of Setting in a Wellbore
Burst Disk
Application:
61/218,764 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
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 →