IP Library › Assignment 016646/0700
Patent Assignment
Reel/Frame 016646/0700

Assignment of Assignor's Interest

Recorded: 2005-10-17 Pages: 2
Assignor
FOX, MR. JEFF R.
Executed: 2005-10-17
Assignee
HALL, MR. DAVID R.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Pressure-Balanced Battery for Downhole Tools
Patent: 7,147,965 →
Application: 10/453,290 →
Publication: US 2004/0248000
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 20, 2008
From: HALL, DAVID R.
To: NOVADRILL, INC.
Reel/Frame 021701/0758 →
Assignment of Assignor's Interest Mar 10, 2010
From: NOVADRILL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 024055/0349 →