IP Library Assignment 042613/0814
Patent Assignment
Reel/Frame 042613/0814

Assignment of Assignor's Interest

Recorded: 2017-06-06 Pages: 5
Assignors
PURKIS, DANIEL GEORGE
Executed: 2017-05-31
MANNING, MATTHEW
Executed: 2016-05-17
Assignee
PETROWELL LIMITED
WEATHERFORD CENTRE, SOUTERHEAD ROAD, ALTENS, ABERDEEN, AB12 3LF, UNITED KINGDOM
Covered Property (1)
Downhole Arrangement
Application: 14/776,907 →
Publication: US 2016/0032686
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 9, 2017
From: PETROWELL, LTD.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043506/0292 →
Assignment of Assignor's Interest Aug 30, 2017
From: PETROWELL LTD.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 043722/0898 →