IP Library Assignment 015485/0431
Patent Assignment
Reel/Frame 015485/0431

Assignment of Assignor's Interest

Recorded: 2004-06-15 Pages: 6
Assignors
HELMS, MARTIN
Executed: 2004-06-03
SONI, SATISH K.
Executed: 2004-06-03
Assignee
NOBLE DRILLING SERVICES INC.
13135 SOUTH DAIRY ASHFORD, SUITE 800, SUGAR LAND, TEXAS, 77478
Covered Property (1)
Split housing for rotary steerable tool
Application: 10/869,453 →
Publication: US 2004/0256162
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 7, 2008
From: NOBLE DRILLING SERVICES INC.
To: NOBLE DOWNHOLE TECHNOLOGY LTD.
Reel/Frame 020609/0792 →
Assignment of Assignor's Interest Mar 7, 2008
From: NOBLE DOWNHOLE TECHNOLOGY LTD.
To: DIAMONDBACK DOWNHOLE TECHNOLOGIES LLC
Reel/Frame 020609/0816 →