IP Library › Assignment 019096/0156
Patent Assignment
Reel/Frame 019096/0156

Assignment of Assignor's Interest

Recorded: 2007-03-30 Pages: 5
Assignors
BAILEY, JOHN, MR.
Executed: 2007-03-29
FOX, JOE, MR.
Executed: 2007-03-30
KUDLA, MATT, MR.
Executed: 2007-03-29
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Drilling at a Resonant Frequency
Patent: 7,591,327 →
Application: 11/693,838 →
Publication: US 2007/0221408
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 →