Assignment of Assignor's Interest

Recorded: 2014-01-24 Pages: 5

Assignor

METCALFE, PAUL DAVID

Executed: 2013-12-31

Assignee

DARCY HOUSE, KINTORE BUSINESS PARK, KINTORE, ABERDEEN, AB51 0YQ, UNITED KINGDOM

Covered Properties (4)

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

Related Assignments (1)

Other recorded transfers of the patents in this record — the chain of ownership.