IP Library Assignment 018768/0886
Patent Assignment
Reel/Frame 018768/0886

Assignment of Assignor's Interest

Recorded: 2007-01-17 Pages: 3
Assignors
PALMER, LARRY T.
Executed: 2006-11-06
SPROTT, JOHN M.
Executed: 2006-11-07
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, HOUSTON, TEXAS, 77027
Covered Property (1)
Ball Drop Circulation Valve
Patent: 7,661,478 →
Application: 11/583,678 →
Publication: US 2008/0093080
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 2, 2016
From: BAKER HUGHES INCORPORATED
To: BAKER HUGHES OILFIELD OPERATIONS, INC
Reel/Frame 037640/0317 →
Change of Name Jun 27, 2017
From: BAKER HUGHES OILFIELD OPERATIONS, INC.
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 043011/0391 →