Patent Assignment
Reel/Frame 039617/0505
Assignment of Assignor's Interest
Recorded: 2016-09-01
Pages: 5
Assignors
THORNBERRY, ANTHONY
Executed: 2016-08-18
AINSLIE, JOHN
Executed: 2016-08-18
COVINGTON, DAVID
Executed: 2016-08-22
Assignee
SERCEL-GRC CORP.
6540 EAST APACHE, TULSA, OKLAHOMA, 74115
Covered Property
(1)
System and Method for Parameter Measurement in Well
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
First Lien Patent Security Agreement
May 3, 2021
From: SERCEL, INC.; SERCEL-GRC CORP.
To: THE BANK OF NEW YORK MELLON, LONDON BRANCH, AS SECURITY AGENT
Reel/Frame 056122/0308 →
Assignment of Assignor's Interest
Nov 21, 2022
From: SERCEL-GRC CORP.
To: SERCEL INC.
Reel/Frame 061839/0655 →
Release of Security Interest
Mar 27, 2025
From: THE BANK OF NEW YORK MELLON, LONDON BRANCH, AS SECURITY AGENT
To: SERCEL, INC.; SERCEL-GRC CORP.
Reel/Frame 070652/0957 →