Patent Assignment
Reel/Frame 013289/0756
Assignment of Assignor's Interest
Recorded: 2002-09-13
Pages: 4
Assignors
BAZOROV, ALEXANDR J.
Executed: 2002-08-05
DESYATCHIKOV, ALEXANDR P.
Executed: 2002-08-05
KARASEV, NIKOLAI A.
Executed: 2002-08-05
KIRICHENKO, SERGEI P.
Executed: 2002-08-05
SLEPOV, ANDREI M.
Executed: 2002-08-05
SMIRNOV, ANATOLY V.
Executed: 2002-08-05
Assignee
NGKS INTERNATIONAL CORPORATION
32 ELEANOR CIRCLE, RICHMOND HILL, ONTARIO, L4C, CANADA
Covered Property
(1)
In-Tube Ultrasonic Device for Wall Thickness Metering
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 27, 2007
From: NGKS INTERNATIONAL CORPORATION
To: CALESTE HILLS TRADING LIMITED
Reel/Frame 019063/0981 →
Assignment of Assignor's Interest
Jun 26, 2007
From: CALESTE HILLS TRADING LIMITED
To: WEATHERFORD/LAMB, INC.
Reel/Frame 019477/0196 →
Assignment of Assignor's Interest
Oct 23, 2014
From: WEATHERFORD/LAMB, INC.
To: BAKER HUGHES INCORPORATED
Reel/Frame 034021/0913 →
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →