IP Library › Assignment 044271/0440
Patent Assignment
Reel/Frame 044271/0440

Assignment of Assignor's Interest

Recorded: 2017-12-01 Pages: 8
Assignor
Assignee
HALLIBURTON MANUFACTURING AND SERVICES LIMITED
BUILDING 4, CHISWICK PARK, 566 CHISWICK HIGH ROAD, LONDON, W45Y3, UNITED KINGDOM
Covered Properties (5)
Permeability Modification
Patent: 8,555,985 →
Application: 12/666,942 →
Publication: US 2010/0175895
Downhole Apparatus
Patent: 8,479,810 →
Application: 12/666,981 →
Publication: US 2010/0186969
Downhole Apparatus
Application: 13/914,569 →
Publication: US 2013/0269955
Permeability Modification
Application: 14/133,621 →
Publication: US 2014/0102720
Downhole Apparatus
Application: 14/511,571 →
Publication: US 2015/0068770
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 24, 2014
From: METCALFE, PAUL DAVID
To: DARCY TECHNOLOGIES HOLDINGS LIMITED
Reel/Frame 032042/0410 →
Assignment of Assignor's Interest Nov 20, 2014
From: METCALFE, PAUL DAVID
To: DARCY TECHNOLOGIES HOLDINGS LIMITED
Reel/Frame 034216/0548 →