IP Library › Assignment 019400/0377
Patent Assignment
Reel/Frame 019400/0377

Assignment of Assignor's Interest

Recorded: 2007-06-08 Pages: 3
Assignors
DURRAND, CHRISTOPHER, MR.
Executed: 2007-06-06
TURNER, PAULA, MS.
Executed: 2007-06-06
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Drill Bit with an Electrically Isolated Transmitter
Patent: 8,130,117 →
Application: 11/759,992 →
Publication: US 2007/0229304
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 024055/0457 →