IP Library › Assignment 032699/0094
Patent Assignment
Reel/Frame 032699/0094

Assignment of Assignor's Interest

Recorded: 2014-04-17 Pages: 3
Assignors
SMITH, COLIN
Executed: 2012-10-30
PURKIS, DANIEL GEORGE
Executed: 2012-11-12
Assignee
PETROWELL LIMITED
KIRKTON AVENUE, PITMEDDEN ROAD, INDUSTRIAL ESTATE, DYCE, ABERDEEN, AB21 0BF, UNITED KINGDOM
Covered Property (1)
Downhole Actuating Apparatus
Patent: 9,359,842 →
Application: 14/255,249 →
Publication: US 2014/0224475
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 →