Patent Assignment
Reel/Frame 023929/0576
Change of Name
Recorded: 2010-02-12
Pages: 5
Assignor
SONDEX PLC
Executed: 2007-10-26
Assignee
SONDEX LIMITED
SAXONY WAY, BLACKBUSHE BUSINESS PARK, YATELEY, HAMPSHIRE, GU46 6AB, UNITED KINGDOM
Covered Property
(1)
Apparatus for Creating Pressure Pulses in the Fluid of a Bore Hole
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 27, 2009
From: STUART-BRUGES, WILLIAM PETER; ALLAN, VICTOR LAING
To: SONDEX PLC
Reel/Frame 023158/0750 →
Assignment of Assignor's Interest
Aug 26, 2019
From: SONDEX LIMITED
To: LYNX DRILLING TOOLS LIMITED
Reel/Frame 050168/0932 →
Assignment of Assignor's Interest
Aug 27, 2019
From: LYNX DRILLING TOOLS LIMITED
To: GEOLINK (UK) LIMITED
Reel/Frame 050185/0481 →