Patent Assignment
Reel/Frame 019880/0089
Assignment of Assignor's Interest
Recorded: 2007-09-26
Pages: 3
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Downhole Component with Multiple Transmission Elements
Application:
11/861,412 →
Publication:
US 2008/0007425
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 26, 2007
From: FOX, JOE, MR.; BARTHOLOMEW, DAVID, MR.
To: HALL, DAVID R., MR.
Reel/Frame 019878/0370 →
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 →