IP Library › Assignment 030549/0359
Patent Assignment
Reel/Frame 030549/0359

Assignment of Assignor's Interest

Recorded: 2013-06-05 Pages: 7
Assignors
DEWEY, CHARLES H.
Executed: 2013-05-13
CAMPBELL, JOHN E.
Executed: 2013-05-01
SWADI, SHANTANU N.
Executed: 2013-05-01
GREGUREK, PHILIP M.
Executed: 2013-05-10
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD, PATENT SERVICES, BOX 45, HOUSTON, TEXAS, 77073
Covered Property (1)
Cementing Whipstock Apparatus and Methods
Patent: 8,820,437 →
Application: 13/085,586 →
Publication: US 2011/0253387
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 2, 2011
From: ERVIN, DAVID L
To: SMITH INTERNATIONAL, INC.
Reel/Frame 026206/0721 →
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 →