IP Library › Assignment 020772/0312
Patent Assignment
Reel/Frame 020772/0312

Patent Assignment and License Agreement

Recorded: 2008-04-08 Pages: 10
Assignors
SHELL OIL COMPANY
Executed: 2007-08-30
Assignee
AT-BALANCE AMERICAS LLC
11767 KATY FREEWAY, SUITE 1030, HOUSTON, TEXAS, 77079
Covered Property (1)
Choke for controlling the flow of drilling mud
Application: 10/520,606 →
Publication: US 2006/0086538
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 6, 2005
From: VAN RIET, EGBERT JAN
To: SHELL OIL COMPANY
Reel/Frame 017354/0701 →
Merger Jan 25, 2013
From: AT-BALANCE AMERICAS LLC
To: SMITH INTERNATIONAL, INC.
Reel/Frame 029696/0350 →