IP Library Assignment 019416/0351
Patent Assignment
Reel/Frame 019416/0351

Assignment of Assignor's Interest

Recorded: 2007-06-12 Pages: 3
Assignors
DAHLGREN, SCOTT, MR.
Executed: 2007-06-12
MARSHALL, JONATHAN, MR.
Executed: 2007-06-12
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Data and/or Powerswivel
Patent: 7,934,570 →
Application: 11/761,730 →
Publication: US 2008/0309514
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 24, 2010
From: HALL, DAVID R., MR.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 023973/0810 →