IP Library › Assignment 038269/0988
Patent Assignment
Reel/Frame 038269/0988

Assignment of Assignor's Interest

Recorded: 2016-04-13 Pages: 4
Assignor
FUNKHOUSER, DAVID
Executed: 2015-01-31
Assignee
SERCEL-GRC CORPORATION
6540 E. APACHE STREET, TULSA, OKLAHOMA, 74115
Covered Property (1)
Ground Fault Tolerant Data Communication System For A Downhole Instrument
Patent: 9,759,837 →
Application: 15/028,821 →
Publication: US 2016/0259086
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 13, 2016
From: GRENTE, GUILLAUME; THORNBERRY, ANTHONY; WESTERN, BRYON
To: SERCEL-GRC CORPORATION
Reel/Frame 038269/0619 →
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 →
Assignment of Assignor's Interest Feb 19, 2026
From: SERCEL INC
To: GRC TECHNOLOGIES LLC
Reel/Frame 073831/0706 →