IP Library Assignment 033785/0717
Patent Assignment
Reel/Frame 033785/0717

Assignment of Assignor's Interest

Recorded: 2014-09-22 Pages: 4
Assignor
CHURCHILL, ANDREW
Executed: 2014-07-11
Assignee
CHURCHILL DRILLING TOOLS LIMITED
22 LOCHINCH DRIVE, COVE, ABERDEEN, ABI2 3RY, GREAT BRITAIN
Covered Property (1)
Drill String Check Valve
Application: 14/361,235 →
Publication: US 2014/0332277
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment Oct 21, 2022
From: CHURCHILL DRILLING TOOLS LTD.
To: CORETRAX GLOBAL LIMITED
Reel/Frame 061498/0942 →